The Fluke Volt Alert non-contact ac voltage detector is for electricians, maintenance, service, safety personnel and home owners that can quickly test for energized circuits in the workplace or at home. AC volt detector is easy to use - just touch the tip to a terminal strip, outlet, or supply cord. When the tip glows red and the unit beeps, you know there's voltage present. The Fluke 1LAC-A-II measures 20 to 90 volts ac.
Fluke VoltAlert comes with 2 AAA batteries and instructions.