Description: A brilliant tool for the auto electrician and mechanic. Carry out the following tests on systems from 6V up to 24V quickly and efficiently: Polarity test. Power components prior to fitting including:Cooling fan motors, Fuel pumps, Window/Sunroof motors, Relays and Lamps, Wiper motors, Tests continuity Switches, Diodes and Fuses, Relays, Wiring harnesses, Detect s. Fitted with a sensitive protection to use around vehicle’s electronic management systems. Fitted with 4.0m cable allowing access to the rear of the vehicle and supplied with instructions. Specification: Type: Probe / Circuit Tester Model: ZK-103 Material: ABS Cable Length: 400cm/4m/157.5 nch Detection Pen Length: 24cm/9.4 inch 6-24V DC Package Includes: 1x Electric Circuit Tester 1x Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.