Voltage Electricity Tester Volt Detector Test Pen AC Non-Contact Sensor 90-1000V Description: Electric Socket Wall AC Power Outlet Voltage Detector Sensor Tester Pen 90-1000V Just touch the tip to a terminal strip, outlet, or supply cord. When the tip glows red and the unit beeps, you know there is voltage present. Electricians, maintenance, service, safety personnel, and homeowners can quickly test for energized circuits in the workplace or at home. A perfect tool kit for home and electric industry uses Ideal design for testing power cables, circuit breakers, wall sockets, junction boxes, fuses, etc Just press the button, white LED light can be always on when there is absence of voltage \"Beep\" sound and red flashing LED would indicate the presence of voltage Totally insulated, no exposed metal or conductive parts Long life and low power consumption Compact, safety, & easy to carry Features: Material: ABS Plastic Color: Yellow Test Voltage Range: 90-1000V AC Safety Rating : CAT II 1000v Powered By: 2 x AAA Batteries Package Includes: 1 x LED Light Voltage Alert Pen 2 x AAA Batteries