Feature 1、The contact is made of premium carbon steel, sturdy. 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. Features: The contact is made of premium carbon steel, sturdy. 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 Operating current: ≤0.05mA Size: Approx. 145*20*25mm / 5.7*0.8*1.0inch Weight: 50g Package Included: 1 x Voltage Tester