*Electroscope pen is one of the detecting tools for electrician. It can be used to detect whether the object to be electriferous or not. When detecting, user must grip the handle of pen rightly, thumb and middle finger griping the insulated part of the handle, while forefinger touching the metal cap on the top of handle. While electroscope pen touch detected object, if the object is electriferous, there will be a voltage between the object and the ground, becoming current object through the pen and the user body, the neon tube in the pen will be bright.

*SIZE: 195mm