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All AgricultureAll IndustrialAcuRiteData RecordersElectrical TestingElectronic & Bench TestingHealthcare EssentialsHumidity MonitorsInspection & Analysis ToolsMicroscopesMotion, Speed, Force MeasurementNetwork and Cable TestersPatient CarePH and ThermometersPoultry CarePressure & VacuumScalesSurface TestingTemperature & HumidityWater Quality & InstrumentationWeather StationsWeight, Sound, and Light Measurement
Led Test Instruments(278)
Uses item details. Price when purchased online
ANCEL PB500, 65V Red Digital Circuit Probe Kit Power Scan Automotive Circuit Tester From $49.99
Sponsored
From$4999
ANCEL PB500, 65V Red Digital Circuit Probe Kit Power Scan Automotive Circuit Tester
4.5 out of 5 stars
VEVOR Automotive Circuit Tester Kit, 8 - 35 DCV Power Circuit Probe Tester with TFT Color Display and Lighting, 2-in-1 Electrical Automotive Power Tester Probe with 19.7 ft / 6 m Extension Cable $88.89
Sponsored
$8889
current price $88.89VEVOR Automotive Circuit Tester Kit, 8 - 35 DCV Power Circuit Probe Tester with TFT Color Display and Lighting, 2-in-1 Electrical Automotive Power Tester Probe with 19.7 ft / 6 m Extension Cable
Automotive Test Light, 3-120V DC Digital Circuit Tester with LED Display, Heavy Duty Coiled Cord & Polarity Indicator for Car, Truck, SUV, RV & Motorcycle $10.99
Sponsored
$1099
current price $10.99Automotive Test Light, 3-120V DC Digital Circuit Tester with LED Display, Heavy Duty Coiled Cord & Polarity Indicator for Car, Truck, SUV, RV & Motorcycle
Automotive Test Light 5-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Voltage Tester, Electric Test Pen with Extended Spring Wire & Probe for Car RV Fuse Checker $10.01
Sponsored
$1001
current price $10.01Automotive Test Light 5-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Voltage Tester, Electric Test Pen with Extended Spring Wire & Probe for Car RV Fuse Checker
4.8 out of 5 stars
Best seller, Automotive Test Light 5-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Voltage Tester, Electric Test Pen with Extended Spring Wire & Probe for Car RV Fuse Checker
Best seller
Automotive Test Light 5-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Voltage Tester, Electric Test Pen with Extended Spring Wire & Probe for Car RV Fuse Checker
4.8 out of 5 stars
Best seller, EverStart 6-24V Automotive Circuit Tester, Bidirectional Polarity Test Light with Red/Green LED Indicator $5.44
Best seller
$544
current price $5.44EverStart 6-24V Automotive Circuit Tester, Bidirectional Polarity Test Light with Red/Green LED Indicator
4.4 out of 5 stars
In 25+ people's carts, Onemayship 5 LED EMF Meter Magnetic Field Ghost Hunting Paranormal Equipment Tester Portable Counter $11.94
In 25+ people's carts
$1194
current price $11.94Onemayship 5 LED EMF Meter Magnetic Field Ghost Hunting Paranormal Equipment Tester Portable Counter
4.4 out of 5 stars
Klein Tools VDV500-705, 9V, Yellow LED Display Technology Tone/Probe Circuit Tester, 4-Piece $51.15
$5115
current price $51.15Klein Tools VDV500-705, 9V, Yellow LED Display Technology Tone/Probe Circuit Tester, 4-Piece
3 out of 5 stars
FGLHS Automotive Test Light 5-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Light Tester, Electrical Voltage Tester with Extended Spring Wire & Probe for Car/RV/Vehicles $9.99
$999
current price $9.99FGLHS Automotive Test Light 5-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Light Tester, Electrical Voltage Tester with Extended Spring Wire & Probe for Car/RV/Vehicles
W01 Inductance Tester, Green Light Indicator, Type-C Powered, One-Button Detection Tool for PCB Repair and Electronic Troubleshooting (1 PCS) From $7.99
From$799
W01 Inductance Tester, Green Light Indicator, Type-C Powered, One-Button Detection Tool for PCB Repair and Electronic Troubleshooting (1 PCS)
Ozmatip,Automotive Test Light 3-60V DC Digital LED Circuit Tester, Heavy Duty Light Tester with Voltmeter, Auto Bidirectional Voltage Tester Electric Test Pen $9.50
Sponsored
$950
current price $9.50Ozmatip,Automotive Test Light 3-60V DC Digital LED Circuit Tester, Heavy Duty Light Tester with Voltmeter, Auto Bidirectional Voltage Tester Electric Test Pen
4.5 out of 5 stars
Automotive Test Light 5-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Voltage Tester, Electric Test Pen with Extended Spring Wire & Probe for Car RV Fuse Checker From $11.99
Sponsored
From$1199
Automotive Test Light 5-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Voltage Tester, Electric Test Pen with Extended Spring Wire & Probe for Car RV Fuse Checker
4.8 out of 5 stars
Reduced price, Homesteed Test Light Automotive Circuit Tester 24V Car Fuse Tester Voltage Meter with LED for Quick Visual Diagnosis and Roadside Repairs $10.69 Was $13.29
Now$1069
current price Now $10.69, Was $13.29$13.29
Homesteed Test Light Automotive Circuit Tester 24V Car Fuse Tester Voltage Meter with LED for Quick Visual Diagnosis and Roadside Repairs
4.7 out of 5 stars
Automotive Test Light Digital LED Circuit Tester 6V/12V/24V Auto Electric Tester Light Tool with Voltmeter and Probe for Checking Vehicle Car Truck Motorcycle Boat Fuses $12.85
$1285
current price $12.85Automotive Test Light Digital LED Circuit Tester 6V/12V/24V Auto Electric Tester Light Tool with Voltmeter and Probe for Checking Vehicle Car Truck Motorcycle Boat Fuses
4.1 out of 5 stars
Test Light Automotive 3-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Voltage Tester, Electric Test Pen with Extended Spring Wire & Probe for Car RV Fuse Checker $9.98
$998
current price $9.98Test Light Automotive 3-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Voltage Tester, Electric Test Pen with Extended Spring Wire & Probe for Car RV Fuse Checker
4.4 out of 5 stars
Equus 3420,12V Clear Digital LED Circuit Tester $32.32
$3232
current price $32.32Equus 3420,12V Clear Digital LED Circuit Tester
4.8 out of 5 stars
Automotive Test Light, 3-120V DC Digital Circuit Tester with LED Display, Heavy Duty Coiled Cord & Polarity Indicator for Car, Truck, SUV, RV & Motorcycle $10.99
$1099
current price $10.99Automotive Test Light, 3-120V DC Digital Circuit Tester with LED Display, Heavy Duty Coiled Cord & Polarity Indicator for Car, Truck, SUV, RV & Motorcycle
Handheld Rechargeable LED Integrated Circuit Tester Transistor Diode Triode Tester Digital Transistor IC Chips Detector $47.88
$4788
current price $47.88Handheld Rechargeable LED Integrated Circuit Tester Transistor Diode Triode Tester Digital Transistor IC Chips Detector
GJX Automotive Test Light with 5-120V LED Digital Voltage Display, Circuit Tester with Voltmeter & Dual Color Polarity Indicator, Electrical Test Pen Long Probe Car RV Fuse Checker $9.51
$951
current price $9.51GJX Automotive Test Light with 5-120V LED Digital Voltage Display, Circuit Tester with Voltmeter & Dual Color Polarity Indicator, Electrical Test Pen Long Probe Car RV Fuse Checker
Test Light Automotive 3-70V LED Digital Circuit Tester with Voltage Display, Wire Fuse Socket Voltages Continuity Test Pen for Most Cars $7.06
$706
current price $7.06Test Light Automotive 3-70V LED Digital Circuit Tester with Voltage Display, Wire Fuse Socket Voltages Continuity Test Pen for Most Cars
Reduced price, KAIWEETS 0.8V-100V DC Smart Automotive Test Light, Buzzer Circuit Tester with Sharp Probe, Bidirectional Voltage Tester with Flashlight, Electric Test Pen for Car Battery Polarity Continuity Fuses $15.29 Was $17.99
Sponsored
Now$1529
current price Now $15.29, Was $17.99$17.99
KAIWEETS 0.8V-100V DC Smart Automotive Test Light, Buzzer Circuit Tester with Sharp Probe, Bidirectional Voltage Tester with Flashlight, Electric Test Pen for Car Battery Polarity Continuity Fuses
4.8 out of 5 stars
Clearance, Tester Automotive Light Tester, 0.8-100V Car Digital LED Circuit Tester Vehicle Voltage Resistance Detector Pen Electrical System Test Tools $8.99 Was $11.99
Now$899
current price Now $8.99, Was $11.99$11.99
Tester Automotive Light Tester, 0.8-100V Car Digital LED Circuit Tester Vehicle Voltage Resistance Detector Pen Electrical System Test Tools
Test Light Probe Kit, 3-36V DC LED Digital Automotive Circuit Tester with Voltmeter, 18 Pieces Multi Function Auto Fuse Voltage Tester Electric Probe Test Kit with Black Carrying Case $35.00
$3500
current price $35.00Test Light Probe Kit, 3-36V DC LED Digital Automotive Circuit Tester with Voltmeter, 18 Pieces Multi Function Auto Fuse Voltage Tester Electric Probe Test Kit with Black Carrying Case
Automotive Test Light 5-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Voltage Tester, Electric Test Pen with Extended Spring Wire & Probe for Car RV Fuse Checker $10.01
$1001
current price $10.01Automotive Test Light 5-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Voltage Tester, Electric Test Pen with Extended Spring Wire & Probe for Car RV Fuse Checker
4.8 out of 5 stars
Test Light Automotive 3-48V Digital LED Circuit Tester, Auto Light Tester with Voltage Display, Electric Tester Pen with Voltmeter and Probe for Checking Car Truck Motorcycle Fuses & Battery Voltage
Test Light Automotive 3-48V Digital LED Circuit Tester, Auto Light Tester with Voltage Display, Electric Tester Pen with Voltmeter and Probe for Checking Car Truck Motorcycle Fuses & Battery Voltage
4.5 out of 5 stars
Automotive 2-Pack Dual-Color LED Circuit Tester 6-24V with Probes and 47-Inch Wire $8.38
$838
current price $8.38Automotive 2-Pack Dual-Color LED Circuit Tester 6-24V with Probes and 47-Inch Wire
Handheld Rechargeable LED Integrated Circuit Tester Transistor Diode Triode Tester Digital Transistor IC Chips Detector,1 x IC tester,Black $50.19
$5019
current price $50.19Handheld Rechargeable LED Integrated Circuit Tester Transistor Diode Triode Tester Digital Transistor IC Chips Detector,1 x IC tester,Black
Nishore Voltage Testers,Probe Tester Car Lcd 5-36v Test Pen Probe Tester Led Tool Universal Car Lcd Testers Qisuo Zroven 5-36v Vol E Vol E Test Eryue $11.69
$1169
current price $11.69Nishore Voltage Testers,Probe Tester Car Lcd 5-36v Test Pen Probe Tester Led Tool Universal Car Lcd Testers Qisuo Zroven 5-36v Vol E Vol E Test Eryue
VEVOR Automotive Circuit Tester Kit, 8 - 35 DCV Power Circuit Probe Tester with TFT Color Display and Lighting, 2-in-1 Electrical Automotive Power Tester Probe with 19.7 ft / 6 m Extension Cable $88.89
$8889
current price $88.89VEVOR Automotive Circuit Tester Kit, 8 - 35 DCV Power Circuit Probe Tester with TFT Color Display and Lighting, 2-in-1 Electrical Automotive Power Tester Probe with 19.7 ft / 6 m Extension Cable
Ozmatip,Automotive Test Light 3-60V DC Digital LED Circuit Tester, Heavy Duty Light Tester with Voltmeter, Auto Bidirectional Voltage Tester Electric Test Pen $9.50
$950
current price $9.50Ozmatip,Automotive Test Light 3-60V DC Digital LED Circuit Tester, Heavy Duty Light Tester with Voltmeter, Auto Bidirectional Voltage Tester Electric Test Pen
4.5 out of 5 stars
GJX Test Light Automotive 3-48V Digital LED Circuit Tester,Auto Light Tester with Voltage Display,Electric Tester Pen with Voltmeter and Probe for Checking Car Truck Motorcycle Fuses&Battery Voltage $9.23
$923
current price $9.23GJX Test Light Automotive 3-48V Digital LED Circuit Tester,Auto Light Tester with Voltage Display,Electric Tester Pen with Voltmeter and Probe for Checking Car Truck Motorcycle Fuses&Battery Voltage
Automotive Test Light 3-36V DC Digital LED Circuit Tester, Heavy Duty Light Tester with Voltmeter, Auto Bidirectional Voltage Tester Electric Test Pen $17.00
$1700
current price $17.00Automotive Test Light 3-36V DC Digital LED Circuit Tester, Heavy Duty Light Tester with Voltmeter, Auto Bidirectional Voltage Tester Electric Test Pen
LED Circuit Tester Pen Screwdriver Voltage Pen Electrical Test
LED Circuit Tester Pen Screwdriver Voltage Pen Electrical Test
GJX 2026 New Automotive Test Light Digital Led Circuit Tester 6V/12V/24V Auto Electric Tester Light Tool with Voltmeter and Probe for Checking Vehicle Car Truck Motorcycle Boat Fuses $10.19
$1019
current price $10.19GJX 2026 New Automotive Test Light Digital Led Circuit Tester 6V/12V/24V Auto Electric Tester Light Tool with Voltmeter and Probe for Checking Vehicle Car Truck Motorcycle Boat Fuses
ANCEL Power Circuit Probe Tester Kit, 12-24V Automotive Electrical Short/Open Breaker Finder, AC/DC Diode Resistance Digital Voltage Tester, 40FT Cable From $49.99
3 options
Available in additional 3 optionsFrom$4999
ANCEL Power Circuit Probe Tester Kit, 12-24V Automotive Electrical Short/Open Breaker Finder, AC/DC Diode Resistance Digital Voltage Tester, 40FT Cable
4.5 out of 5 stars
SGCYLOWQ Tester Automotive Light Tester, 0.8-100V Car Digital LED Circuit Tester Vehicle Voltage Resistance Detector Pen Electrical System Test Tools, Home Office Essentials $9.89
$989
current price $9.89SGCYLOWQ Tester Automotive Light Tester, 0.8-100V Car Digital LED Circuit Tester Vehicle Voltage Resistance Detector Pen Electrical System Test Tools, Home Office Essentials
GJX Test Light Automotive 3-120V Dc Led Digital Circuit Tester with Voltage Display, Auto Bidirectional Voltage Tester, Electric Test Probe Pen for Car Battery Polarity Continuity Fuses $13.94
$1394
current price $13.94GJX Test Light Automotive 3-120V Dc Led Digital Circuit Tester with Voltage Display, Auto Bidirectional Voltage Tester, Electric Test Probe Pen for Car Battery Polarity Continuity Fuses
GJX 2026 New Automotive Test Light Digital Led Circuit Tester 6V/12V/24V Auto Electric Tester Light Tool with Voltmeter and Probe for Checking Vehicle Car Truck Motorcycle Boat Fuses $10.87
$1087
current price $10.87GJX 2026 New Automotive Test Light Digital Led Circuit Tester 6V/12V/24V Auto Electric Tester Light Tool with Voltmeter and Probe for Checking Vehicle Car Truck Motorcycle Boat Fuses
Digital Electromagnetic Field Radiation Tester K2 Handheld 5 LED Gauss EMF Meter for Personal Safety $13.19
$1319
current price $13.19Digital Electromagnetic Field Radiation Tester K2 Handheld 5 LED Gauss EMF Meter for Personal Safety
Test Light Automotive 3-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Voltage Tester, Electric Test Pen with Extended Spring Wire & Probe for Car RV Fuse Checker $14.95
$1495
current price $14.95Test Light Automotive 3-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Voltage Tester, Electric Test Pen with Extended Spring Wire & Probe for Car RV Fuse Checker
Power Probe 319FTC-RED III Test Light and-Voltmeter, Red $225.21
$22521
current price $225.21Power Probe 319FTC-RED III Test Light and-Voltmeter, Red
4.6 out of 5 stars
GJX Car OBD2 Scanner Tester Light OBD2 Reader Automotive Test Light Digital LED Circuit Tester 6V/12V/24V $8.61
$861
current price $8.61GJX Car OBD2 Scanner Tester Light OBD2 Reader Automotive Test Light Digital LED Circuit Tester 6V/12V/24V
GJX Test Light Automotive, 5-90V DC Test Light with Voltmeter, Bidirectional Car Fuse Tester with Voltage Display, Digital LED Circuit Tester with Extended Spring Wire & Probe $8.25
$825
current price $8.25GJX Test Light Automotive, 5-90V DC Test Light with Voltmeter, Bidirectional Car Fuse Tester with Voltage Display, Digital LED Circuit Tester with Extended Spring Wire & Probe
Heavy Duty 3-120V Backlit Digital LCD Circuit Tester, Test Light with 140 Inch Extended Spring Wire, Car Truck Low Voltage & Light Tester with Stainless Probe $12.98
$1298
current price $12.98Heavy Duty 3-120V Backlit Digital LCD Circuit Tester, Test Light with 140 Inch Extended Spring Wire, Car Truck Low Voltage & Light Tester with Stainless Probe
GJX 2026 New Car Tester Automotive Test Light Digital Led Circuit Tester 6V/12V/24V Auto Tester Light Tool with Voltmeter and Probe for Checking Vehicle Car Truck Motorcycle Boat $8.06
$806
current price $8.06GJX 2026 New Car Tester Automotive Test Light Digital Led Circuit Tester 6V/12V/24V Auto Tester Light Tool with Voltmeter and Probe for Checking Vehicle Car Truck Motorcycle Boat
Power Probe 3 Circuit Tester with Lead Set (PP3LS01) $317.01 $317.01/lb
$31701
current price $317.01$317.01/lb
Power Probe 3 Circuit Tester with Lead Set (PP3LS01)
4.5 out of 5 stars
Test Light Automotive, 3-90V Digital LED Circuit Tester with Voltage Display, Bidirectional Circuit Tester Automotive, Electrical Voltage Tester with Extended Spring Wire & Probe for Car/RV/Vehicles $12.49
$1249
current price $12.49Test Light Automotive, 3-90V Digital LED Circuit Tester with Voltage Display, Bidirectional Circuit Tester Automotive, Electrical Voltage Tester with Extended Spring Wire & Probe for Car/RV/Vehicles
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