The Triplett Sniff-It™ Jr is a Non Contact AC Voltage detector with a built-in flashlight. It detects AC voltage from 50 to 600V and has aubile and visual indicators. The ABS plastic housing provides impact and drop resistance in a sleek ergonomic design, and the simple 2 stage power button allows you to turn the LED flashlight on or off. CAT III 600V. 1 year warranty.