Features:Inductive smart electric measuring pen: check the electricity safely, insulate the operation, and make it safer and easier.A variety of functions, real-time detection, to meet different needs. It can be used for voltage detection, on-off detection, live-wire detection, and neutral-wire detection.LED function, can provide lighting in dark environment.Sound and light dual handles: When measuring voltage, the display screen and buzzer will give dual prompts.Automatic shutdown: After about 5 minutes without any operation, the tester will automatically shut down.Personalized pen clip design: the back is designed with a portable pen clip, which is easy to carry.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurementDescription:Material: ABSSize: 14.7*2.3*2.6cmPower supply mode: 1 AAA battery (not included)