Multi-function Automotive Tester Pen Type Digital Vehicle Electrical Circuit Checker Auto Electrical System Diagnosis Test Device Blu-ray and permanent

and permanent

Support WIFI connection to download many kinds of APPs

Easy to Cut And Seal : One side recess groove design

Low heat emission vs

mounting screws

Multi-function Automotive Tester Pen Type Digital Vehicle Electrical Circuit Checker Auto Electrical System Diagnosis Test Device Blu-ray and permanentApplications: Can be used to test continuity, test the 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. Powered by the vehicle battery directly. The illumination function enables automotive technician to test the electrical system in the darkness. Safety insurance. When the current exceeds 8A, the unit will disconnect the current