Klein Tools NCVT1P Voltage Tester, Non-Contact Low Voltage Tester Pen, 50V to 1000V AC, Audible and Flashing LED Alarms, Pocket Clip

NON-CONTACT DETECTION of AC voltage in cables, cords, circuit breakers, lighting fixtures, switches, non-tamper-resistant outlets, and wires, VISUAL AND AUDIBLE INDICATORS of voltage detection with a high intensity, bright red LED, and an audible tone, BROAD APPLICATION with a 50 to 1000V AC power detection range, CONSERVE BATTERIES with auto power-off function, LIGHTWEIGHT AND DURABLE compact design with a convenient clip fits securely in pocket; 6.6-Foot (2 m) drop protection, TRUSTED SAFE with a safety rating of CAT IV 1000V, RECOMMENDED for non-tamper-resistant outlets; For tamper-resistant outlets, use Cat. Nos. NCVT-2P or NCVT-3P in low voltage mode