Multi-Function Automotive Electrical System Tester EM287

This unit is a electrical tester for reducing diagnosstic time in automotive electrical system. After a simple hook up of the unit to the vehicles battery, automotive techinician can conduct a positive or negative battery current to the tip by roking the rock switch forward or backward. 

• Wide range applications. Can be used to test continuity, test polarity of a voltage, check lamp, check electric motor, follow and locate short circuits, test for bad ground contacts and measure dc voltage from 2V to 24V etc.
• Long test lead. The cable length is about 5m which allows you test any electrical system easily.
• Easy to use. Powered by the vehicle battery directly. The illumination function enables automotive technician to test the electrical system in the darkness.
• Take the insufficient light environment in consider, the tool built in flashlight to indicate the DC voltage measurement.
• Safety insurance. When the current exceeds 8A, the unit will disconnect the current automatically.