【Parameter】- Test Voltage: 12-220V; Display Mode: LED light + Display; Test Head Type: Flat head; Special Function: Continuity Test.
【Quality Material】- This DC voltage tester is made of high quality plastic, insulating, sturdy and durable.
【Two Usage】- Voltage tester screwdriver pen has two kinds of applications,one for measuring circuit electrical penand the other for screwdriver. You can use it to directly test voltage as a voltage tester pen, you also can use it as a screwdriver.
【Function】- Voltage tester provides contact detection of voltage in cables, cords, circuit breakers, lighting fixtures, switches, outlets and wires.
【Warm Tips】- AC circuit tester light detector is for indoor use only and to avoid strong light.