ANENG 1AC-D Non-contact Test Pen Electric Indicator 90-1000V Induction Test Pencil Voltmeter Voltage Probe Power Detector Tester Socket Feature: Power socket,wall AC power socket,voltage detector,sensor tester pen,90-1000V. 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: 90-1000V AC Safety level: CAT II 1000v Power supply: 2 x AAA batteries (not included) Material: ABS plastic Color: Yellow/Blue Product size: 139 * 25 * 16.8mm/5.47*0.98*0.66 Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-3mm measuring deviation due to manual measurement. Included: 1 X Non-contact Test Pen