Klein Tools Non-Contact Voltage Tester detects standard voltage in cables, cords, circuit breakers, lighting fixtures, switches, non tamper-resistant outlets and wires. A bright green LED indicates the tester is powered on. It changes to red and an audible tone sounds when voltage is detected.Warnings Never assume neutral or ground wires are de-energized. Neutrals in multi-wire branch circuits may be energized when disconnected and must be retested before handling. Read, understand, and follow all warnings, cautions, safety information, and instructions in this manual before operating or servicing this tester. Failure to follow instructions could result in death or serious injury. Features 50 to 1000 VAC power operating range allows broad application Includes instructions and 2 x AAA 1.5 volt batteries Auto power-off feature conserves and extends battery life 6.6-Foot (2 m) drop protection LED and Audible Beep Indications, Auto-Power Off, Pocket Clip CAT IV 1000V safety rating Lightweight compact design with a convenient clip to fit securely in your pocket Voltage Tester provides non-contact detection of voltage in cables, cords, circuit breakers, lighting fixtures, switches, non tamper-resistant outlets and wires Product not recommended for testing tamper-resistant outlets; use Cat. Nos. NCVT-2P or NCVT-3P in low voltage mode Volt Pen with high intensity, bright green LED indicates the tester is powered on When voltage is detected, a high intensity, bright red LED illuminates and an audible tone will sound Voltage: 50 - 1000V AC Standard: CAT IV 1000V Frequency: 50 - 500 Hz Drop Protection: 6.6 ft (2 m) Overall Length: 5.5 in (14 cm) Width: 0.72 in Height: 1 in Overall Width: 1 in (2.5 cm) Depth: 5.5 in Weight: 0.05 lbs Material: Polymer Body and Electronic Components Pollution Degree: 2 Battery: 2 x AAA 1.5V Ingress Protection: IP40 Compliance: CE, UKCA DownloadsSafety Data SheetVideo DownloadSpec SheetInstructionsNCVT1PKIT_manual_web.pdf