A simple and safe way to detect the presence of AC voltage in cables, mains outlets and more. Produces an audible beep and flashing red light when held within 1cm of a live source of voltage. Features an inbuilt green status light and switchable torch LED to conveniently illuminate tests in darker environments. Automatically powers off when unused, preserving battery life.Direct voltage range[tab]90-1000VAC[br]Dimensions[tab]155 x 22 x 15mm[br]Weight[tab]25g (without batteries)[br]Batteries[tab]2x AAA (supplied)