Product detailsthe automotive multi tester, which tests the electrical system of an automobile completely. this multipurpose instrument:

Tests battery voltage
Checks the battery condition while starting the engine.
Checks interior and exterior lamps
Checks relays, power windows and electric motors.
LED light source.
It also has a powerful light source, circuit breaker protected voltage source and a warning buzzer
Power supply functions may be selected.
Protects wires and components when testing shorted and overloaded circuits
Finds open and disconnected parts

There is magnet near the back side of the device, so you can attach the device on the vehicle for easy use.

SPECIFICATIONS

Power:12V battery (23A)
Dimensions(WLT):5319545 mm
Weight:250g (only main body)