Brand ELECALL Name Non touch Voltage test pencil Model EM-2 Voltage test range 90-1000ACV(50-500Hz) International Safe Standard EN61010-1/600VCAT III Work Temperature -10-50C Storage Temprature -20-60Degree Humidity <8s%RH Battery 2*1.5v(AAA Type) Size 146*25*22mm Weight 26g Non-contact test pen, safe, convenient to use. Pen clip design, portable for use. Wide AC voltage range: 12-1000V With High accuracy resistance inside Translucent pencil head with LED The red light will be flash and the item will alarm when detect the electric With Flashlight which can be good work in dark