Features 1、The contact is made of high quality carbon steel, sturdy and durable. 2、Blue‑ray digital display screen, easy to read even in the dark environment. 3、LED switch is easy to push and convenient to use. 4、Made of insulating shell, and the clip on the back is easy to hang on and carry. 5、Self‑test, wire circuit test, wire circuit power failure test, AC voltage test, DC test, and high voltage test. Specification 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 contact is made of high quality carbon steel, sturdy and durable. Blue-ray digital display screen, easy to read even in the dark environment. LED switch is easy to push and convenient to use. Made of insulating shell, and the clip on the back is easy to hang on and carry. Self-test, wire circuit test, wire circuit power failure test, AC voltage test, DC test, and high voltage test. Specification: Material: Carbon steel and insulating plastic Measurement range: AC/DC 12-250V 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 Package Included: 1 x Voltage Tester Package List