Overload Protection: 8A (When the current exceeds 8A, this item will disconnect the current automatically.). 1 Car Circuit Tester（without battery）. Easy operation : After a simple hook-up of the unit to the vehicle's battery, the automotive technician can conduct a positive or negative battery current to the tip by rocking the power switch forward or backward.
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Proskit 4-in-1 Multifunctional MT-7616/7615 Optical Power Meter Fiber Network/LAN Cable Tester Visual Fault Locator Portable
Aliexpress UK
Sharp steel probe easily pierces wire insulation to inspect circuits. Bulb: 3W, Bulb Cord Length: 102mm/4.0". The circuit board has line protection function, which is safer and more resistant to burning.
eBay
VFL visual fault locator 650nm 1mw 10mw 20mw 30mw TM-18 Optical Fiber light source Pen fiber tester optical detector
Aliexpress UK
Fuse and Relay Checking: Acts as a car relay fuse blade checker to test blade fuses and relays safely under 20A 48V max load. Take out the fuse and put it in slot of the AE150. (The detection fuse of the tester is 20A/48V, standard type).
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NOYAFA NF-8509 two-in-one Multimeter Tester Network Line Cable Finder for POE Test NCV AC DC LCD Wire Tracke
Aliexpress UK
Type: Digital Electric Circuit Tester. Wide Application: Professional automotive circuit tester/circuit test light with 3V-6V-12V-24V DC testing range, ideal for checking various vehicles' electrical circuits, quickly checking automotive headlights, taillights, turn signal circuits, faulty sockets, fuse connections, and other wirings and circuits.
eBay
GY560 Frequency meter Counter tester for Two-Way Radio Transceiver GSM 50MHz-2.4GHz 7 DIGIT LCD Display with Signal Meter
Aliexpress UK
Plugs straight into the vehicle's fuse board. Fuse Type: Standard. Range: 0-20A - 0-48V. Range: 0-20A - 0-48V.
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LiitoKala Lii-500/Lii-600/Lii-700 Charger for 18650/26650/AA/AAA/Ni-MH/Li-ion, LCD Display, Capacity Tester, Independent Slot
Aliexpress UK
Compact and, easy to carry around for on-site testing. Fuse type: standard. [Compact Design]: Beautiful appearance with fashionable color, the body is made of anti-slip ABS/PC material and wrapped with rubber, comfortable to, ensuring a firm grip and operation.
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Xin Tester 50pcs/lot 0.22/0.45/0.7/0.8/1/1.2um 47mm microporous glass fiber filter dust sampling filter paper
Aliexpress UK
Small and lightweight, testing and removing on the go.This is a premium fuse tester and puller. It is great for and glass and has an indicator to display fuse status, very convenient in use. Adjustable probe pitch allowing test different sizes.
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New OFW Mini OTDR Active Live Fiber Tester 1610nm 20dB Optical Reflector Reflectometer Touch Screen iOLA OPM VFL Event Map
Aliexpress UK
1 Fuse Tester. Compact and portable size, easy to carry and keep. Size: 70 30 16mm / 2.8 1.2 0.6in. Color: Orange. Material: Plastic.
eBay
GTBL NF-8506 Network Cable Tester Supports Test/IP Scan/Network Port Speed Multifunction Cable Tracker Finding Tool
Aliexpress UK