Features STURDY&DURABLE The contacts are made of high-quality carbon steel, which is sturdy and durable. PORTABLE&PRACTICAL The digital voltage detecotr is made of an insulating case, the clip on the back makes it easy to hook up and carry. CLEAR DISPLAY Blu-ray digital display, easy to read even in dark environments. CONVENIENT TO USE The LED switch is easy to push and easy to use. WIDELY APPLICATED Self-test, line test, line power-off test, AC voltage test, DC test, high voltage test. Description: This voltage tester pen is made of high quality carbon steel and plastic, insulating, sturdy and durable. This multifunctional voltage tester has six functions of self-test, wire circuit test, wire circuit power failure test, AC voltage test, DC test, and high voltage test. Features: -The contacts are made of high-quality carbon steel, which is sturdy and durable. -Made of an insulating case, the clip on the back makes it easy to hook up and carry. -Blu-ray digital display, easy to read even in dark environments. -The LED switch is easy to push and easy to use. -Self-test, line test, line power-off test, AC voltage test, DC test, high voltage test. Specification: Material: Carbon steel and insulating plastic Measurement range: AC/DC 12-220V Shell endured voltage: 500V Type(Optional): Pen with light, Pen without light Operation current: ≤0.05mA Size: Approx. 14.3*2.5*1.8cm / 5.6*0.9*0.7inch Weight: 50g 1 x Voltage Tester Package List