Klein Tools Non-Contact Voltage and GFCI Receptacle Premium Test Kit (Cat. No. NCVT1XTKIT) includes a Non-Contact Voltage Tester and a GFCI Receptacle Tester. The Non-contact Voltage Tester (Cat. No. NCVT1XT) detects voltage 70 to 1000V AC, is dustproof and waterproof with an IP67 rating, and has durable 9.8-Foot (3 m) drop protection. The GFCI Receptacle Tester (Cat. No. RT210) is designed to detect the most common wiring problems in standard and GFCI receptacles.Features CAT IV 1000V safety rating, low battery indicator, and easy access to battery compartment CAT II 300V safety rating, works on GFCI outlets, and confirms operation of the ground fault protective device Durable tester is dustproof and waterproof with an IP67 rating and 9.8-Foot (3 m) drop protection NCVT1XT: Dustproof and Waterproof; Low Battery Indicator; Easy Access Battery Compartment; RT210: Convenient Chart on the Tester; Includes GFCI Tester 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 GFCI Tester detects the most common wiring problems in standard and GFCI receptacles: open ground, reverse polarity, open hot, open neutral, hot/ground reversed Voltage Tester provides non-contact detection of 70 to 1000V AC in cables, cords, circuit breakers, lighting fixtures, switches, non tamper-resistant outlets and wires NCV Tester is not recommended for testing tamper-resistant outlets; use Cat. Nos. NCVT-2P or NCVT-3P in low voltage mode 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. Always consult a qualified electrician to resolve wiring problems. Always wear approved eye protection. Voltage Detection Range: 70 to 1000V AC Safety Rating: CAT IV 1000V, CAT II 300V Battery Type: 2 x AAA 1.5V Width: 4.75 in Depth: 9.13 in Overall Length: NCVT1XT: 5.34 in (13.6 cm), RT210: 1.62 in (4.1 cm) Overall Width: NCVT1XT: 1.08 in (2.8 cm), RT210: 1.88 in (4.8 cm) Height: 1.5 in Overall Height: NCVT1XT: 0.97 in (2.5 cm), RT210: 2.88 in (7.3 cm) Weight: 0.281 lbs Material: Polymer Body and Electronic Components Ingress Protection: IP67 Drop Protection: 9.8 ft (3 m) Compliance: ETL Listed, UKCA, CE Certified DownloadsSpec SheetSafety Data SheetVideo DownloadInstructionsNCVT1XTKIT_manual_web.pdf