Greenlee Non-Contact Self-Testing Voltage Detector Use to detect voltage in outlets, lighting fixtures, circuit breakers, wires, and cables, or to find a break in a wire. Features bright LED's and audible alarm sound if voltage is present. Silent mode feature for use in quiet settings. Automatic self-test verifies the integrity of the unit. Safe, noncontact voltage detection with single button operation. Self-tests every 2 seconds for accurate results every time. Automatic shut Off after 5 minutes of nonuse. Rugged ultrasonically-welded construction and a large, easy to handle battery cover. Low battery indicator. Voltage detection 50V-1000VAC. Frequency 50-500Hz. Uses 2 1.5V batteries, included. Lifetime warranty. Type Non-Contact, Indication Audible and Visual, Voltage Detection 50V to 1000V AC, Battery Type 2 1.5V AAA Batteries, Pkg Qty 1, Package Type Clamshell WARNING Cancer www.P65Warnings.ca.gov