Voltage Electric Tester Volt Detector Test Pen Non-Contact Sensor AC DC 12-1000V Description Power socket,wall AC power socket,voltage detector,sensor tester pen,12-1000V Perfect for mobile phones, PC cards and other sophisticated electronic chip-level flux welding The next generation AC non-contact voltage tester is easy to use-just touch the tip to the terminal block, socket or power cord. When the pen tip glows red and the device beeps, you know that there is voltage. Electricians, maintenance, service, security personnel, and homeowners can quickly test energized circuits in the workplace or home. The perfect tool kit for home and power industry. Ideal design for testing power cords, circuit breakers, wall sockets, junction boxes, fuses, etc. Just press a button. When there is no voltage, the white LED light can always be on. And the red flashing LED indicates that the voltage is completely insulated, no exposed metal or conductive parts, long life, low power consumption, compact, safe and easy to carry.   Specification Frequency range: 50-500 Hz Test voltage range: 12-1000V AC Safety level: CAT II 1000v Power supply: 2 x AAA batteries (Iincluded) Material: ABS plastic Product size: 139 * 25 * 16.8mm/5.47*0.98*0.66"