2 Pack Non-Contact Voltage Detector, Voltage Tester Electrical Tester

Non-contact Voltage Tester Ranging 12-1000V AC, You can easily distinguish the live and null wire through different level of alarm sound and LED indicator. | Safe and ConvenientThe voltage pen tester detectes voltage in a non-contact way, which provides you with the easiest and safest way to check the voltage in a wire, outlet, circuit breakers, lighting fixtures or switch. | 3 Buzzer ModesThe live wire voltage tester is designed with 3 buzzer modes that suit for different voltage detection ranges. After powering on, the default is low sensitivity mode. Low sensitivity mode - buzz 1 time. Then press "S" once to enter medium sensitivity mode - buzz 2 times. And press "S" again to enter high sensitivity mode - buzz 3 times. | VersatileBuilt with detection light and tail flashlight, the electrical tester also work as an emergency flashlight that can illuminate in a dark working place. The tail flashlight can only be turned on when the tester is off | Compact SizeThe pocket-sized circuit tester pen comes with a convenient pen hook that makes it easy to carry in your shirt pocket.