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 "AAA" batteries, included. Lifetime warranty.