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. <span style="font-family:Arial;font-size:16px;"><strong>Description:</strong> 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. <strong>Features:</strong> </span> <ul> <li> <span style="font-family:Arial;font-size:16px;">The contact is made of high quality carbon steel, sturdy and durable.</span> </li> <li> <span style="font-family:Arial;font-size:16px;">Blue-ray digital display screen, easy to read even in the dark environment.</span> </li> <li> <span style="font-family:Arial;font-size:16px;">LED switch is easy to push and convenient to use.</span> </li> <li> <span style="font-family:Arial;font-size:16px;">Made of insulating shell, and the clip on the back is easy to hang on and carry.</span> </li> <li> <span style="font-family:Arial;font-size:16px;">Self-test, wire circuit test, wire circuit power failure test, AC voltage test, DC test, and high voltage test.</span> </li> </ul> <span style="font-family:Arial;font-size:16px;"> <strong>Specification:</strong> Material: Carbon steel and insulating plastic Measurement range: <strong><span style="color:#E53333;">AC/DC 12-220V</span></strong> Shell endured voltage: 500V <span style="font-family:Arial;font-size:16px;">Type(Optional): Pen with light, Pen without light Operation current: ≤0.05mA</span> Size: Approx. 14.3*2.5*1.8cm / 5.6*0.9*0.7inch Weight: 50g <strong>Package Included:</strong> 1 x Voltage Tester </span>