Designed to identify the presence of AC voltage in outlets, switches, circuit breakers, fuses, wires, and cables, this voltage tester is the perfect tool for verifying low and high voltage in live circuits.Main FeaturesBuilt-In LED flashlight helps you see in dark placesCompact and lightweight design with built-in pocket clip allows you to carry it on the goETL listed and CE certifiedAutomatically shuts off after 5 minutes to preserve battery lifePowered by (2) AAA batteries (included)