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Home ImprovementIndustrial & ScientificAuto & TiresBeautyCell PhonesHousehold EssentialsVideo GamesParty & OccasionsJewelryBooksElectronicsHomeMusicSports & OutdoorsToysPhoto CenterBabyPatio & GardenClothingPetsFoodHealth and MedicineShop with PurposeArts Crafts & SewingMusical InstrumentsCharacter ShopShop by BrandServicesPersonal CareOffice SuppliesSubscriptionsCollectiblesPremium BeautyShop by MovieFeature
Clearance in Testers(398)
Uses item details. Price when purchased online
Best seller D-FantiX Battery Tester, Universal Battery Checker for AAA AA C D 9V 1.5V Button Cell Household Batteries Model BT-168 $11.99 Was $15.99
Now$1199
current price Now $11.99, Was $15.99$15.99
D-FantiX Battery Tester, Universal Battery Checker for AAA AA C D 9V 1.5V Button Cell Household Batteries Model BT-168
6704.5 out of 5 Stars. 670 reviews
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Flash Deal HBN Watt Meter Plug, Plug-in Socket Power Meter Electricity Usage Monitor Consumption Home Electrical Energy Monitor, Voltage Amps Wattage Electricity Usage Tester, 9 Display Modes $9.79 Was $19.99
Now$979
current price Now $9.79, Was $19.99$19.99
HBN Watt Meter Plug, Plug-in Socket Power Meter Electricity Usage Monitor Consumption Home Electrical Energy Monitor, Voltage Amps Wattage Electricity Usage Tester, 9 Display Modes
844.7 out of 5 Stars. 84 reviews
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Clearance 2 Pack Upgraded Watt Meter Power Meter Plug Home Electricity Usage Monitor, Electrical Usage Monitor Consumption, Energy Voltage Amps Kill Meter Tester with Backlight, 7 Modes Display From $12.69
From$1269
2 Pack Upgraded Watt Meter Power Meter Plug Home Electricity Usage Monitor, Electrical Usage Monitor Consumption, Energy Voltage Amps Kill Meter Tester with Backlight, 7 Modes Display
144.7 out of 5 Stars. 14 reviews
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Best seller TESMEN TN-213 Non-Contact Voltage Tester Pen, Electrical Tester with Dual Sensitivity Modes, LED Indicator, Waterproof, Pocket-Sized $14.99 Was $19.99
Now$1499
current price Now $14.99, Was $19.99$19.99
TESMEN TN-213 Non-Contact Voltage Tester Pen, Electrical Tester with Dual Sensitivity Modes, LED Indicator, Waterproof, Pocket-Sized
454.6 out of 5 Stars. 45 reviews
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Best seller NOYAFA NF-827 Circuit Breaker Finder Kit with GFCI Outlet Tester, NCV Voltage Detector, Sensitivity Adjustment & 3 Accessories, 90-120V AC Electrical Tracer with Storage Case $36.99 Was $43.99
Now$3699
current price Now $36.99, Was $43.99$43.99
NOYAFA NF-827 Circuit Breaker Finder Kit with GFCI Outlet Tester, NCV Voltage Detector, Sensitivity Adjustment & 3 Accessories, 90-120V AC Electrical Tracer with Storage Case
354.3 out of 5 Stars. 35 reviews
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Flash Deal 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 $10.79 Was $11.99
Now$1079
current price Now $10.79, Was $11.99$11.99
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
74.9 out of 5 Stars. 7 reviews
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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 Was $13.49
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
55 out of 5 Stars. 5 reviews
Qyaukm Wh305 Electrical Socket Tester with Gfci Check. Receptacle Tester for Standard Ac Outlets. Automatic Electric Circuit Polarity Voltage Detector Breaker Finder, 1*Socket Tester Was $5.58
Qyaukm Wh305 Electrical Socket Tester with Gfci Check. Receptacle Tester for Standard Ac Outlets. Automatic Electric Circuit Polarity Voltage Detector Breaker Finder, 1*Socket Tester
EM415Pro Automotive Electrical Openand Short Finder Circuit Tester DC 6-42V Car Repair Cable Circuit Wire Tracker $15.03 Was $17.64
Now$1503
current price Now $15.03, Was $17.64$17.64
EM415Pro Automotive Electrical Openand Short Finder Circuit Tester DC 6-42V Car Repair Cable Circuit Wire Tracker
15 out of 5 Stars. 1 reviews
Non-Contact Voltage Tester Pen - AC/DC 12-220V Detector - Current Sensor - Safe Volt Detector for Outlets/Wires/Circuits. (cross head) From $9.90
3 options
Available in additional 3 optionsFrom$990
Non-Contact Voltage Tester Pen - AC/DC 12-220V Detector - Current Sensor - Safe Volt Detector for Outlets/Wires/Circuits. (cross head)
34 out of 5 Stars. 3 reviews
Flash Deal ANCEL PB50 New Power Circuit Probe Tester, 12V 24V Automotive Circuit Tester, Electrical Diagnistic Tool From $49.99
3 options
Available in additional 3 optionsFrom$4999
ANCEL PB50 New Power Circuit Probe Tester, 12V 24V Automotive Circuit Tester, Electrical Diagnistic Tool
254.5 out of 5 Stars. 25 reviews
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Clearance Katzco Circuit Continuity Tester - 6-12 Volt with 12 Foot Lead and Light Indicator for Fuse Testing, Light Sockets, Short Circuits, Wires, Electricians, Mechanics, Homeowners and Car Batteries $7.84 Was $11.99
Now$784
current price Now $7.84, Was $11.99$11.99
Katzco Circuit Continuity Tester - 6-12 Volt with 12 Foot Lead and Light Indicator for Fuse Testing, Light Sockets, Short Circuits, Wires, Electricians, Mechanics, Homeowners and Car Batteries
65 out of 5 Stars. 6 reviews
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Digital Battery Tester for AAA AA C D 9V 1.5V, Household Battery Checker Tester for Small Batteries Button Cell (Model: BT-168D) $5.98 Was $8.37
Now$598
current price Now $5.98, Was $8.37$8.37
Digital Battery Tester for AAA AA C D 9V 1.5V, Household Battery Checker Tester for Small Batteries Button Cell (Model: BT-168D)
94.9 out of 5 Stars. 9 reviews
Clearance 1 Set Wire Tracer Circuit Tester Short Open Finder Electrical Circuit Tracer Was $7.99
1 Set Wire Tracer Circuit Tester Short Open Finder Electrical Circuit Tracer
11 out of 5 Stars. 1 reviews
USB-C Fast Charging Tester 1.54 LCD Display, PD3.1/QC5.0 Support, and Multi-Function Testing Capabilities ChargerLAB Power-Z KM003C $109.99 Was $137.49
Now$10999
current price Now $109.99, Was $137.49$137.49
USB-C Fast Charging Tester 1.54 LCD Display, PD3.1/QC5.0 Support, and Multi-Function Testing Capabilities ChargerLAB Power-Z KM003C
Grounding Tester for Grounding Products, Grounding Continuity Tester Used for Grounding Mats Sheets Blankets Use to Test Effectiveness of Grounding $16.99 Was $18.94
Now$1699
current price Now $16.99, Was $18.94$18.94
Grounding Tester for Grounding Products, Grounding Continuity Tester Used for Grounding Mats Sheets Blankets Use to Test Effectiveness of Grounding
33.3 out of 5 Stars. 3 reviews
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Astro Pneumatic 7760 Cordless Circuit Tester $13.00 Was $16.20 $13.00/count
Now$1300
current price Now $13.00, Was $16.20$16.20
$13.00/count
Astro Pneumatic 7760 Cordless Circuit Tester
55 out of 5 Stars. 5 reviews
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Power Circuit Probe Tester, 6V/12V/24V DC Circuit Tester Automotive, Multifunctional Car Electric Circuit Tester Power Fuse & Voltage Tester Light, Short Circuit Breake Finder Electrical Tools $17.52 Was $21.64
Now$1752
current price Now $17.52, Was $21.64$21.64
Power Circuit Probe Tester, 6V/12V/24V DC Circuit Tester Automotive, Multifunctional Car Electric Circuit Tester Power Fuse & Voltage Tester Light, Short Circuit Breake Finder Electrical Tools
13/7Pin Towing Trailer Light Wiring Circuit Tester: Portable, Temp & Acid-Alkali Resistant for Towing Vehicles and Caravans From $11.29
From$1129
13/7Pin Towing Trailer Light Wiring Circuit Tester: Portable, Temp & Acid-Alkali Resistant for Towing Vehicles and Caravans
Automotive Power Circuit Tester with LED Light - DC Power Probe for 6-24V, Short Finder, Continuity & Resistance Check | Car Electrical Diagnostic Tool $15.99 Was $20.99
Now$1599
current price Now $15.99, Was $20.99$20.99
Automotive Power Circuit Tester with LED Light - DC Power Probe for 6-24V, Short Finder, Continuity & Resistance Check | Car Electrical Diagnostic Tool
155 out of 5 Stars. 15 reviews
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Klein Tools NCVT-5A Dual Range Cordlesss Non-Contact Voltage Tester Kit with Laser Pointer and 2 Batteries $20.99 Was $23.99
Now$2099
current price Now $20.99, Was $23.99$23.99
Klein Tools NCVT-5A Dual Range Cordlesss Non-Contact Voltage Tester Kit with Laser Pointer and 2 Batteries
84.6 out of 5 Stars. 8 reviews
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QenASHaing Digital LED Circuit Tester 6V/12V/24V with Voltmeter Probe, Portable Tool for Clear Voltage Reading and Fuse Checking, For Car Truck Motorcycle Boat $5.89 Was $7.99
Now$589
current price Now $5.89, Was $7.99$7.99
QenASHaing Digital LED Circuit Tester 6V/12V/24V with Voltmeter Probe, Portable Tool for Clear Voltage Reading and Fuse Checking, For Car Truck Motorcycle Boat
OEMTools 6V-12V Circuit Tester Replacement Bulb (2 Pack) $9.81 Was $15.99
Now$981
current price Now $9.81, Was $15.99$15.99
OEMTools 6V-12V Circuit Tester Replacement Bulb (2 Pack)
15 out of 5 Stars. 1 reviews
AUsagg Dual USB Current Voltage Charging Tester Battery Voltmeter Ammeter Charger Doctor Mobile Power Charging Red Blue L0O4 $5.58 Was $9.23
Now$558
current price Now $5.58, Was $9.23$9.23
AUsagg Dual USB Current Voltage Charging Tester Battery Voltmeter Ammeter Charger Doctor Mobile Power Charging Red Blue L0O4
Battery Tester, Universal LCD Digital Battery Checker for AA AAA C D 9V & 1.5V Cells, Rechargeable Batteries Capacity Meter for Home Use (Black) From $4.49
From$449
Battery Tester, Universal LCD Digital Battery Checker for AA AAA C D 9V & 1.5V Cells, Rechargeable Batteries Capacity Meter for Home Use (Black)
Clearance Podofo Automotive Short and Open Finder Circuit Breaker Tester Wire Tracker DC 6-42V $14.99 Was $24.99
Now$1499
current price Now $14.99, Was $24.99$24.99
Podofo Automotive Short and Open Finder Circuit Breaker Tester Wire Tracker DC 6-42V
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Allosun Electric Fence Tester and Fault Finder,Digital Fence Voltage Tester for Livestock EM555 $23.99 Was $31.04
Now$2399
current price Now $23.99, Was $31.04$31.04
Allosun Electric Fence Tester and Fault Finder,Digital Fence Voltage Tester for Livestock EM555
25 out of 5 Stars. 2 reviews
Gardner Bender GMT-312 Analog Multimeter, 5 Function, 12 Range, Tests DC Voltage, DC Current, Resistance, Continuity and Batteries $18.78 Was $21.71
Now$1878
current price Now $18.78, Was $21.71$21.71
Gardner Bender GMT-312 Analog Multimeter, 5 Function, 12 Range, Tests DC Voltage, DC Current, Resistance, Continuity and Batteries
114.3 out of 5 Stars. 11 reviews
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Allosun Automotive Open Short Finder, Wire Tracer Electrical Short Circuit Tester Detector EM415PRO From $22.59
From$2259
Allosun Automotive Open Short Finder, Wire Tracer Electrical Short Circuit Tester Detector EM415PRO
74.7 out of 5 Stars. 7 reviews
Greenlee GT-10GFI 12125 GFI CIRCUIT TESTER $17.59 Was $21.21
Now$1759
current price Now $17.59, Was $21.21$21.21
Greenlee GT-10GFI 12125 GFI CIRCUIT TESTER
Wire Tone Generator Circuit Tester for Finding & Tracing Wires/Cables, Polarity Identify, Continuity Test $17.96
$1796
current price $17.96Wire Tone Generator Circuit Tester for Finding & Tracing Wires/Cables, Polarity Identify, Continuity Test
15 out of 5 Stars. 1 reviews
Tester Automotive Light Tester, 0.8-100V Car Digital LED Circuit Tester Vehicle Voltage Resistance Detector Pen Electrical System Test Tools $7.59 Was $8.99
Now$759
current price Now $7.59, Was $8.99$8.99
Tester Automotive Light Tester, 0.8-100V Car Digital LED Circuit Tester Vehicle Voltage Resistance Detector Pen Electrical System Test Tools
23.5 out of 5 Stars. 2 reviews
WLPZXP Solenoid Tester Portable Built in Indicator Garden Tool Stable Solenoid Tool $10.89
$1089
current price $10.89WLPZXP Solenoid Tester Portable Built in Indicator Garden Tool Stable Solenoid Tool
Sinyiin Hot Sale 12 Volt Digital Voltmeter, 12v Voltage Tester for Car Motor $9.29 Was $10.44
Now$929
current price Now $9.29, Was $10.44$10.44
Sinyiin Hot Sale 12 Volt Digital Voltmeter, 12v Voltage Tester for Car Motor
V100 Automotive Circuit Tester 080V DC Power Circuit Probe, Short & Open Circuit Finder, Car Fuse Tester with 5Meter Lead $14.99 Was $19.99
Now$1499
current price Now $14.99, Was $19.99$19.99
V100 Automotive Circuit Tester 080V DC Power Circuit Probe, Short & Open Circuit Finder, Car Fuse Tester with 5Meter Lead
Voice Broadcast Voltage Tester Non Contact Voltage Tester 12V-1000V/48V-1000V Dual Range Electrical Tester Efficient Live/Hot Wire Tester Wire Breakpoint Finder Voltage Tester with LED Flashlight $10.75 Was $10.76
Now$1075
current price Now $10.75, Was $10.76$10.76
Voice Broadcast Voltage Tester Non Contact Voltage Tester 12V-1000V/48V-1000V Dual Range Electrical Tester Efficient Live/Hot Wire Tester Wire Breakpoint Finder Voltage Tester with LED Flashlight
15 out of 5 Stars. 1 reviews
OBDResource Smart Automotive Test Light 0.8V-100V Circuit Tester with Buzzer & Flashlight, DC Voltage Tester for Car Fuse, Polarity, Resistance and Continuity Test $10.13 Was $16.99
Now$1013
current price Now $10.13, Was $16.99$16.99
OBDResource Smart Automotive Test Light 0.8V-100V Circuit Tester with Buzzer & Flashlight, DC Voltage Tester for Car Fuse, Polarity, Resistance and Continuity Test
Mini LED Voltmeter Digital Display Voltage Meter Tester Was $6.20
2 options
Available in additional 2 optionsMini LED Voltmeter Digital Display Voltage Meter Tester
Automotive Circuit Fault Probe Tester, Automotive Current Tester with Precise Measurement, Car Fuse Curreng Test Tool with Display, for Fault Finding on Car or Vehicle Eleclrical Cireuit 1PC From $15.28
From$1528
Automotive Circuit Fault Probe Tester, Automotive Current Tester with Precise Measurement, Car Fuse Curreng Test Tool with Display, for Fault Finding on Car or Vehicle Eleclrical Cireuit 1PC
LKWLPD HT107 Electric Socket Tester US Plug Tester with LCD Display, AC Voltage Outlet Tester Circuit Breaker Finder Test Polarity Phase Check Was $20.69
LKWLPD HT107 Electric Socket Tester US Plug Tester with LCD Display, AC Voltage Outlet Tester Circuit Breaker Finder Test Polarity Phase Check
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