Characteristics: Wide range of applications: tester EM285 circuits can be used do continuity testing, voltage polarity testing, lamp checking, electric motor checking, short circuit tracking and location, bad ground contact testing, etc. Long measuring cable: The length of the cable is approximately 16 feet, allowing you to easily test any electrical system. Short-circuit protection: The device has short-circuit protection and can immediately test for bad ground contacts. Easy operation: After simply connecting the do vehicle battery, the automotive technik can bring the positive or negative current of the do battery tip by tilting the power switch do front or do rear. Comprehensive test set 6-24 V DC: Do not use at alternating voltage. Instructions for use: Expand the device cable Clamp the red clip on the positive battery terminal of the vehicle; Clamp the black clip do of the negative vehicle battery terminal; Technical data: Colour red Operating voltage: 6-24 V DC Cable Length: 16 feet Overload protection: 8A (when the current exceeds 8A, this element will automatically disconnect the current. ) Package Weight: 320g List of packages: 1 * Tester circuit