Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant's customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. As an Amazon Associate we may earn from qualifying purchases. We may receive a commission from purchases made through links on our site, which will help us continue to provide you with value.
Best Choice Hantek New
Hantek DSO2D10 Digital Oscilloscope 2CH 1GSa/S Storage Economical Oscilloscope 100MHZ Bandwidth Handheld with Signal Sou Has 2 channels, and each channel with independent knob control.XEAST New
3 in 1 Handheld Oscilloscope, Automotive Dual Channel 50MHz with Digital Multimeter and Signal Generator Dual-Channel Oscilloscope with Advanced Waveform Measurement: The XE-703S features a dual-channel design that accuratelyHantek New
Hantek DSO2C15 Digital Oscilloscope 2CH 1GSa/S Storage Economical Oscilloscope 100MHZ Bandwidth Handheld 32 Kinds of automatic measurement,statistical analysis function.Best Value Hantek New
Hantek DSO2C10 Digital Oscilloscope 2CH 1GSa/S Storage Economical Oscilloscope 100MHZ Bandwidth Handheld 32 Kinds of automatic measurement,statistical analysis function.Generic New
Handheld Mini Oscilloscope, Portable Handheld Tablet Oscilloscope 2.8in TFT 1M Bandwidth 5.0MS/s Sampling Rate, Digital 【Versatile Lab Oscilloscope】Enhance your testing capabilities with a full trigger function and a 2.8 inch HD LCD screen.Hantek New
Hantek 6022BL PC USB Oscilloscope 2 Channels 20MHz Bandwidth 48MSa/s Sample Rate 16 Channels Logic Analyzer 20MHz Bandwidth; 48MSa/s Sample Rate; 16 Channels Logic AnalyzerFNIRSI NewFNIRSI 1014D Oscilloscope - 2 in 1 Digital Oscilloscope DDS Signal Generator 2 Channels 100Mhz Bandwidth 1GSa/s Sampling Professional Designed : Fnirsi oscilloscope has a real-time sampling rate of up to 1GSA/S and an analog bandwidth of 100FNIRSI NewFNIRSI 1013D Oscilloscope - Handheld Tablet Oscilloscope, Portable Digital Storage Oscilloscope 2 Channels 100Mhz Bandwi Professional Designed: FNIRSI oscilloscope has a real-time sampling rate of up to 1GSA/S and an analog bandwidth of 100MHantek NewHantek TO1112 Touch Screen Digital Oscilloscope 2 Channels 110Mhz Hanheld Tablet Digital Oscilloscope Multi touch large screen, resolution up to 800 * 480, friendly and easy-to-use UI, good interaction experience.BSIDE NewBSIDE 2 Channels Handheld Oscilloscope 50MHz Bandwidth Digital Scope Tester, 3.98" Full-Viewing Touch Screen with 250MSa [2 Channels 50MHz Bandwidth]: Handheld channel oscilloscope features dual channel 50MHz bandwidth, 250MSa/s sampling ratFNIRSI NewFNIRSI 2C23T 3 in 1 Handheld Oscilloscope Multimeter DDS Generator, 2 Channels, 10MHz Bandwidth, 50MSa/s Sampling Rate, 【Oscilloscope Mode】2 channel handheld oscilloscope, 10MHz bandwidth, real-time sampling rate 50MSa/s, record depth 32kb,Hantek NewHantek 1008C+HT201+HT30A+HT307 PC USB 8CH Automotive Diagnostic Digital Oscilloscope/DAQ/Programmable Generator 8-Channel Automotive Oscilloscope: A virtual oscilloscope that combines automotive diagnostic functions, general-purposeXEAST NewXEAST 2 in 1 Handheld Oscilloscope Multimeter, 10MHz Bandwidth 48MSa/s High Sampling Professional Oscilloscope, 9999 Cou FASTER SAMPLING SPEED - 48MSa/s high-speed data collecting, MODE key one button to switch between digital multimeter modFNIRSI NewFNIRSI 1013D Plus Oscilloscope - Portable Handheld Tablet Oscilloscope with 100X High Voltage Probe, 2 Channels 100Mhz B Professional Designed: FNIRSI oscilloscope has a real-time sampling rate of up to 1GSA/S and an analog bandwidth of 100MSENECESLI NewSENECESLI DSO152 Handheld Digital Oscilloscope, 2.5MS/s 200KHz Bandwidth, 2.8" LCD, Auto Setup, Portable Oscilloscope fo Fast & Accurate Measurements: This portable digital oscilloscope features a 2.5 MS/s real-time sampling rate and 200 KHzMingzhe NewMingzhe -1014D Portable 7 Inch TFT LCD Display Screen Two in One Dual Channel Input Signal Generator Desktop Oscilloscop Capture output signal function, which can store up to 1000 capture signals.UNI-T NewUNI-T UNI-Trend UTD2025CL Digital Oscilloscopes 2 Channel 25MHZ,7 inches Widescreen LCD displays(UTD2025CL) UTD2000CL+/CL SERIES 50MHz to 100MHz BANDWIDTH 2 ANALOG CHANNELS 500MSa/s REAL-TIME SAMPLE RATE 64kpts MAX. MEMORY DEPTHRigol NewRIGOL Digital Oscilloscope DHO812 100MHz Frequency Band + 12-bit Vertical Resolution + Maximum 1.25 GSa/s Sample Rate + Ultra low background noise ensures a purer signal, without missing any small signals. It provides 12-bit hardware high rHantek NewHantek 6104BE 100MHz Bandwidth Automotive Diagnosis Equipment, Car Diagnostic Oscilloscope, Automobile Diagnostic Instru 4 channels oscilloscope, 1GSa/s real time sampling rate, 2mV-10V/DIV high input sensitivity and large input range, 100MHOWON NewOWON HDS120 2 in 1 Oscilloscope + 4½ Digit Multimeter 20000 Counts True RMS Tester 1MHz 5MS/s Automatic Range Owon Hds120 Digital Oscilloscope Multimeter 2-in-1 20000 Counts True Rms Tester 1mhz 5ms/s Automatic Rang. High ResolutiIndependently published NewUsing Your First Oscilloscope : Hands-On Practice for Beginners 2025-2026 OWON NewOWON HDS2202S 2CH Handheld Oscilloscope 200MHz Bandwidth 20000 Counts Multiumeter OSC + DMM + Waveform Generator Oscilloscope + multimeter + waveform generator, multifunction in one.FNIRSI NewFnirsi Mini Oscilloscope Fnirsi-1013D Digital Tablet Oscilloscope Dual Channel 100M Bandwidth 1GS Sampling Rate Mini Tab Digital Tablet Oscilloscope Dual Channel 100M Bandwidth 1GS Sampling RateJectse New4 Channel Oscilloscope Kit, Digital 70MHz PC USB Oscilloscope,Hantek 6074BC 1GSa/s, 2mV-10V/DIV DIY Oscilloscope Kit Multiple functions: Pass/fail test, resourceful trigger function, dynamic cursor tracking, waveform record, FFT spectrumDpofirs NewDpofirs Handheld Digital Oscilloscope, 2.8 Inch LCD Screen, 10MHz Bandwidth, 48MSa/s Sampling Rate, Compact and Lightwei [2.8 Inch LCD Display] This handheld digital oscilloscope features a 2.8 inch color LCD screen, provides a clear and intOWON NewOWON Oscilloscope HDS2102s 3 in 1 Digital Handheld Oscilloscope Multiumeter,2-CH 100 Mhz Bandwidth USB Type-C Interface, [Excellent Power Management]: Ultra-low comprehensive power consumption less than 3W.Powered by 4400mAh lithium battery,ROWCES NewROWCES Compact Portable Digital Oscilloscope 50M Sampling Rate 10M Analogue Bandwidth Handheld Current Oscilloscope Cell Dual channel oscilloscope with 50M sampling rate, 2MHz actual bandwidth, and 10MHz analog bandwidth.BSIDE NewBSIDE Handheld Digital Oscilloscope Multimeter, 3.2" Full-Viewing LCD with BNC-Free, Rechargeable Pocket Graph Voltmeter [Multimeter Mode]: BSIDE OS1 multimeter measures MAX/MIN/AVG, capacitance, diode, voltage, resistance, continuity, etc.Cryfokt NewCryfokt 2 in 1 Portable Oscilloscope Multimeter with 1MHz Bandwidth 2.5Msps Sample Rate for Electronic Circuit Testing, [EFFICIENT DIAGNOSTICS] Provides historical and real-time data on the same screen.Cryfokt NewCryfokt 2 in 1 Portable Oscilloscope Multimeter with 1MHz Bandwidth 2.5Msps Sample Rate for Electronic Circuit Testing, [EFFICIENT DIAGNOSTICS] Provides historical and real-time data on the same screen.OWON NewOWON Oscilloscope HDS2202s 3 in 1 Digital Handheld Oscilloscope Multiumeter,2-CH 200 Mhz Bandwidth USB Type-C Interface, [Excellent Power Management]: Ultra-low comprehensive power consumption less than 3W.Powered by 4400mAh lithium battery,LAPOOH NewLAPOOH Compact Portable Digital Oscilloscope 50M Sampling Rate 10M Analogue Bandwidth Handheld Current Oscilloscope Cell Dual channel oscilloscope with 50M sampling rate, 2 actual bandwidth, and 10 analog bandwidth.CHIHTNOP NewMultifunctional Instruments Dual-Channel Oscilloscope 3-in-1 High Precision ZT-703S Multifunctional Multimeter Signal Ge 1. **Versatile Functionality**: The Oscilloscope ZT-703S is a multifunctional instrument that combines a dual-channel osOWON NewOWON HDS2102S 2CH Handheld Oscilloscope 100MHz Bandwidth 20000 Counts Multiumeter OSC + DMM + Waveform Generator Oscilloscope + multimeter + waveform generator, multifunction in one.Mingzhe NewMingzhe DSO2512G 120M Bandwid Portable Handheld Dual Channel Oscilloscope 2.8 Inch Display 10mV Minimum Vertical Sensiti When the channel two closed, the bandwid can reach 120M, the bandwid is 60M when the channel 1 and 2 open at the same tiQingeer New3in1 Digital Multimeter 50MHz Bandwidth 280MS Sampling Rate PC Waveform Data Storage Dual Channel Oscilloscope Signal Ge 【Premium Material】: ABS+silicone housing material, drop proof and shockproof. The printed circuit board adopts high-costKcolly NewKcolly Digital Oscilloscope Signal Generator 2.8 Inch Display Handheld Oscope Meter Handheld 1M Bandwidth 5MS/s Sampling 【Fine Workmanship】: High-sensitivity buttons to provide a simple and easy-to-understand operating experience. Type-C porFNIRSI NewFnirsi Mini Oscilloscope Fnirsi DSO-TC3 Digital Oscilloscope Transistor Tester Function Signal Generator 3 in 1 Multifun combines a digital oscilloscope, electronic component tester, signal generator, continuity testOWON NewOWON Oscilloscope HDS2102 2 in 1 Digital Handheld Oscilloscope Multiumeter,20000 Counts Digital Multimeter with 3.5 inch [Excellent Power Management]: Ultra-low comprehensive power consumption less than 3W.Powered by 4400mAh lithium battery,Hantek NewHantek 2D72 Handheld Oscilloscope 70MHz Waveform Generator Multimeter 3 in 1 Multifunction Tester 2CH+AFG+DMM Function: OscilloscopeMultimeterWaveform Generator; 70 MHz Handheld Digital Oscilloscope with 2 channels -- Sample RateHANMATEK NewHANMATEK Digital Oscilloscope and Multimeter - 50MHz Bandwidth, 2 Channels, 3.5" TFT Screen, Auto-Calibration, Memory Fu 【Scope Mode】: 1. The waveform refresh rate is up to 10000wfms / s; 2. Oscilloscope 2 channel input, bandwidth up to 50MHOWON NewOWON Oscilloscope OWON-HDS2202 2 in 1 Digital Handheld Oscilloscope Multiumeter,2CH 200 Mhz Bandwidth USB Type-C Interfa [Excellent Power Management]: Ultra-low comprehensive power consumption less than 3W.Powered by 4400mAh lithium battery,FNIRSI NewFnirsi Mini Oscilloscope Fnirsi DSO152 Mini Handheld Digital Oscilloscope 2023 Latest Version 2.5MSa/s 200KHz Analog Ban BVGBDFX NewOscilloscope Favorableness VTO2004 200MH/z Bandwidth, 4 Channels, 1GSa/s Sampling Rate, and 50Mpts Memory 1. **Advanced Bandwidth and Channels**: The VTO Series Oscilloscope features an impressive 200MH/z bandwidth and four chGeneric NewOscilloscope Kit 2.4 Inch TFT Handheld Pocket-Size Digital Oscilloscope with Protective Case and Probe Electronic Learni ✅ With automatic, regular and one-shot mode, easy to capture the moment waveform.YaSao NewYaSao ET828 Intelligent Graphical Digital Oscilloscope Multimeter 2 in 1 with 2.4 Inches Color Screen 1MHz Bandwidth 2.5 💌[Oscilloscope multimeter 2 in 1, improve your work efficiency.Tbest NewTbest 3 in 1 Digital Oscilloscope Multimeter with Generator Function, 2 Channel 120M 250MSas, 3.2in Display – Compact an Generator: Built in waveform generator, capable of outputting sine, triangular, etc. The voltage amplitude is 2. 5V, theHantek NewHantek 2D72 3in1 Digital Oscilloscope Waveform Generator Multimeter USB Portable 2 Channels 70MHz 250MSa/s Multifunction Brand: HantekJiawu NewJiawu 3 in 1 Handheld Oscilloscope Multimeter, 2000 Count Clamp Meter Oscilloscope Multimeter with NCV Data Logging, 100 【Versatile Digital Clamp Meter】: This digital clamp meter comes with test leads, switches seamlessly between clamp meterYDuupxe NewYDuupxe 3 in 1 Digital Handheld Oscilloscope Multiumeter 2 Channel 50MHz Bandwidth 25000 Counts Mini Oscilloscope Genera MULTIPLE FUNCTIONS: This multi function oscilloscope multimeter combines the functions of an oscilloscope, multimeter, aSpringer NewOscilloscopes: A Manual for Students, Engineers, and Scientists The Music Of HeatmiserSENECESLI NewSENECESLI Handheld Portable Digital Oscilloscope Signal Generator for Clear Waveform Analysis and Transient Phenomenon, [REAL-TIME SAMPLING] Experience a real time sampling rate of 48MS/s and a bandwidth of 10M, allowing for precise measurezolyet New3in1 Oscilloscope Multimeter Machine Handheld with 3 2inch IPS Display 120Mhz Bandwidth 250MSa s Sampling Rate Dual Chan 【Digital Oscilloscope Function】: Dual channel oscilloscope function, with 120MHz bandwidth and 250MSa/s sampling rate. WYuqiaoTime NewYuqiaoTime Hantek 1008B and 1008C Automotive Oscilloscope/DAQ/Programmable Generator Handheld 8 Channels PC USB Oscillos Cost-effective Hantek PC USB 8CH Automotive Diagnostic Oscilloscope/DAQ/Programmable Generator: Highly efficient and cosFNIRSI NewFnirsi Mini Oscilloscope Fnirsi DPOX180H Handheld Dual Channel Digital Oscilloscope 180MHz-3DB 2 in 1 Function Signal Ge Fafeicy NewFafeicy Logic Analyzer 16 Channel Digital Portable Oscilloscope with Data Exported Function for FPGA Waveform Analyze SUPPORT LINKAGE: The waveform window and the analysis result window can be linked, which is convenient for finding wavefDreamSourceLab NewDreamSourceLab DSCope U3P100 USB-Based Oscilloscope with 100MHz Bandwidth, 1GSa/s Sampling Rate, 2Gbits Memory, USB 3.0 2 analog channels, up to 100M front-end bandwidth and max 1GSa/s real-time sample rate. It's achieved by single-chip 1GHDAUB NewHandheld Digital Oscilloscope, 3 in 1 Handheld Oscilloscope Multimeter with 500KHz Bandwidth, 10MSa/s Sampling Rate, 2.4 【3 IN 1 PROFESSIONAL DESIGN】It integrates digital oscilloscope, electronic component tester and PWM signal generator funGraham Stoakes NewAutomotive Oscilloscopes Setup and Use RASTKY NewRASTKY Portable Pocket Oscilloscope High Performance Single Channel Real Time Sampling 10MHZ with Type C Charging Port f [HIGH-PERFORMANCE FUNCTIONALITY] Accurate measurements for professional tasksChunnuan NewOscilloscope Multimeter Handheld LCD Digital Multimeter & Oscillometer 2-in-1 Universal Meter Scope Meter 9999 Counts 10 Versatile Handheld Test Instrument: handheld oscilloscope function + digital multimeter runction, 2-in-1 integrated multJaycar NewDigitech 100MHz Digital Oscilloscope with 8M Memory Depth KUOKUO NewKUOKUO DSO154Pro 320 * 240 Resolution 2.4-inch TFT Color Screen Digital Oscilloscope 40MSa/s Sampling Rate Port Signal G 2.4 Inch TFT LCD Display: Equipped with 320*240 resolution color TFT LCD display, with bright colors and high contrast,Plyisty NewDS212 Portable Digital Oscilloscope, 2 Channel Oscilloscope with USB Interface, Built in 8MB U Disk Storage for Waveform Multiple Purpose: Inbuilt generator/10Hz-1MHz (duty adjustable) or 10Hz-20KHz Sine///Sawtooth .Zaccheus Entertainment NewAutomotive Oscilloscopes: Waveform Analysis Autel NewAutel MaxiScope MP408 4-Channel Automotive oscilloscope Works with PC or MS Tablet MS908S MS908S PRO MS908CV MK908 MK908 Autel MaxiScope MP408 4-CHANNEL PANEL:Faster Sampling, Autel MP408 can capture signals four times faster than any otherFNIRSI NewFnirsi-138 PRO Handheld Mini Digital Oscilloscope 2.5MSa/s 200KHz Analog Bandwidth Support AUTO,80Khz PWM and Firmware U Qudai NewQudai DSO154Pro 320 * 240 Resolution 2.4-inch TFT Color Screen Digital Oscilloscope 40MSa/s Sampling Rate Support Signal 2.4 Inch TFT LCD Display: Equipped with 320*240 resolution color TFT LCD display, with bright colors and high contrast,Independently published NewDigital Oscilloscopes For Beginners Qudai NewQudai DSODigital Oscilloscope Handheld Oscilloscope Mini Palm Size Oscilloscope with 5M Bandwidth 20MS/s Sampling Rate The oscilloscope has up to 20MS/s real-time sampling rate and a 5MHz analog bandwidth.Qudai NewQudai DSO2512G 120M Bandwidth Portable Handheld Dual Channel Oscilloscope 2.8 Inch Display 10mV Minimum Vertical Sensiti Adopts ARM and FPGA chip collocation, vides high-speed signal acquisition and high-speed data cessing to give you a smooHantek NewHantek Pen Type Mini Oscilloscope Hantek PSO2020 Digital Oscilloscope Pen Type USB 1 Channel Portable Storage Oscillosco Powered by USB Interface. Plug and Play Device. Automatically, Easy for Operation;BVGBDFX NewDS1102Z-E 100MH/z /DS1202Z-E 200MH/z Bandwidth Dual Channel Digital Oscilloscope Support Multiple Languages(DS1202Z-E 20 1. **High-Performance Oscilloscope**: The DS1102Z-E and DS1202Z-E series oscilloscopes feature a bandwidth of 100MHz andYuqiaoTime NewYuqiaoTime FNIRSI PRO Handheld Mini Portable Digital oscilloscope 5M Bandwidth 20MSps Sampling Rate 1:Memory compression technology, waveform refresh screen does not flicker 2:Afterglow display technology 3:2.4 inch coloMicsig NewMicsig Smart Full Touch Screen Oscilloscope STO Series STO1004 STO2002 8'' TFT-LCD Full Touch Screen Oscilloscope 4/2 Ch 8-inch TFT-LCD capacitive touch screen with 800 * 600 resolutionKUOKUO NewKUOKUO DSO154Pro 320 * 240 Resolution 2.4-inch TFT Color Screen Digital Oscilloscope 40MSa/s Sampling Rate Port Signal G 2.4 Inch TFT LCD Display: Equipped with 320*240 resolution color TFT LCD display, with bright colors and high contrast,Qudai NewQudai DSO154Pro 320 * 240 Resolution 2.4-inch TFT Color Screen Digital Oscilloscope 40MSa/s Sampling Rate Support Signal 2.4 Inch TFT LCD Display: Equipped with 320*240 resolution color TFT LCD display, with bright colors and high contrast,Independently published NewHOW TO USE AN OSCILLOSCOPE 2026: Master Measurement Skills for Electronics Beginners and Pros BVGBDFX NewADS800A Series 12bits Digital Oscilloscope 200MH/z Bandwidth 1.25GSa/s Sampling Rate 50M Storage Depth 700000wfms/s Wave 1. **High-Performance Oscilloscope**: The ADS800A Series 12bits Digital Oscilloscope provides an exceptional 200MH/z banHantek NewHantek Qingdao Oscilloscope Hantek Qingdao Digital Oscilloscope 2CH iDSO1070A USB iPhone/ippa-d/Android/Windows Oscilosc *Compatible with /Windows Oscilloscope, Multi-touch Operation.Jelquix NewJelquix 100Mhz Precision BNC Oscilloscope 1X/10X Switchable Probe Kit for Signal Testing with Detachable Hook Tip, Compa 【100MHZ BANDWIDTH】Equipped with 100MHz bandwidth, this 100MHz oscilloscope probe ensures precise and dependable signal mGeneric NewGeneric 12-Bit High Resolution 4-Channel Oscilloscope, 1.25GSa/s Real-Time Sampling, 700,000 Wfms/s Capture Rate with Mu [Smart Triggering and Automated Measurements] Equipped with smart triggering and 43+ automated measurements, this oscillChesoon NewChesoon 100MHz Oscilloscope Probe with Completed Accessories Including BNC to Grabber Test Lead Regulating Rob Protectiv 【Compatible with Most Oscilloscopes】The attenuation of the oscilloscope probe can be adjusted by 1X and 10X sliding switElektor Verlag NewTektronix Epic Oscilloscopes: An illustrated chronicle of Teknology for collectors and restorers Independently Published NewThe Automotive Oscilloscope Handbook: The Step by Step Guide to Probe Hookups, Waveform Setup, and Diagnostic Failure Pa ZHDBD NewDigital Oscilloscope, Signal Generation Oscilloscope Dual-Channel Digital Storage Oscilloscope 100M 150M 1GS/s Portable 1)2 channels, both are respectively controlled by independent knobes;Generic NewHandheld Oscilloscope | Colorful Display Transistor Tester Meter | Multi-Function Capacitor Automatic Diode Resistor Ind User Protection Prioritized: Inserted non-chargeable capacitors discharge automatically to prevent harm, while integratiHantek NewHT30A+HT307 Hantek Oscilloscope Accessories Set Auto Test Leads and Acupuncture Probe Set Oscilloscope Accessories for A HT30A: A special line for assisting automobile measurement instruments to test various types of signals.ZHDBD NewDigital Oscilloscope, Signal Generation Oscilloscope Dual-Channel Digital Storage Oscilloscope 100M 150M 1GS/s Portable 1)2 channels, both are respectively controlled by independent knobes;ZHDBD NewDigital Oscilloscope, Signal Generation Oscilloscope Dual-Channel Digital Storage Oscilloscope 100M 150M 1GS/s Portable 1)2 channels, both are respectively controlled by independent knobes;Newnes NewOscilloscopes Used Book in Good ConditionZHDBD NewPortable Oscilloscope Channel Oscilloscope 10MHz 100MS/s 130,000wfms/sre Fresh Rate LCD Display Digital Smart Oscillosco + The simple control panel is similar to an analogue oscilloscopeHantek NewHT30A+ HT201 Hantek Oscilloscope Accessories Set BNC Connecter Auto Test Leads, Auto Ignition Probe and 10MHz 20:1 Atten HT30A: 3M BNC to banana adapter cable, heavy duty auto test lead. Allowing the oscilloscope away form the car being testZHDBD NewDigital Oscilloscope, Channel Oscilloscope 10MHz 100MS/s 130,000wfms/sre Fresh Rate LCD Display Digital Smart Oscillosco + The simple control panel is similar to an analogue oscilloscopeIndependently published NewOscilloscope Skills for Everyone : Easy Projects and Practical Tips for New Users Justivana NewJustivana DIY Mini Digital Oscilloscope Kit STC8K8A Microcontroller Microcontroller Electronic Training Welding Practice This is a simple oscilloscope made with an STC8A8K microcontroller. It only requires a small amount of components and isGeneric NewPortable Oscilloscope, Intelligent Transistor Capacitor Tester, High Precision Automatic Diode Resistor Inductor Checker Safety Mechanism Enhanced: Non-chargeable capacitors automatically discharge after insertion, ensuring user safety, withZHDBD NewDigital Oscilloscope, Signal Generation Oscilloscope Dual-Channel Digital Storage Oscilloscope 100M 150M 1GS/s Portable 1)2 channels, both are respectively controlled by independent knobes;