The EM288 is the Automobile Digital Multi-Tester.
This device can be used as follow :1. Tests battery voltage2. Checks the battery condition while starting the engine.3. Checks interior and exterior lamps4. Checks relays, power windows and electric motors.5. LED light source.6. It has a circuit breaker protected voltage source and a warning buzzer.7. Power supply function can be selected.8. Protects wires and components when testing shorted and overloaded circuits9. Finds open and disconnected parts10. There is magnet near the back side of the device, so you can attach the device on the
vehicle for easy use. ( Keep the device far away from any magnetism-sensitive part of
vehicle.)
Automobile Digital Multi-Tester