Klein Tools’ 1,000V AC dual-range noncontact voltage tester detects voltage with simultaneous visual and audible voltage indicators. The auto power-off feature conserves and extends battery life. The screw-thread battery cap with O-ring ensures protection against dust and water ingress. The green light indicates no voltage. It has a pocket clip.

Fluke’s 1AC II noncontact voltage tester features a loud beeper that will sound, and the tip will glow red when voltage is detected. The wide voltage detection range allows for use in a broad range of applications. It is rated to CAT IV 1,000V for added protection.

Klein Tools’ ET40 AC/DC voltage tester features LEDs to indicate the type and level of voltage detected. It is designed to withstand a 9.9-ft. drop. It indicates polarity when measuring DC voltages, and it powers off automatically after 2 minutes of nonuse to conserve battery life. The built-in test lead holders are on the sides of tester, and the clip...