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.
CAT IV 1000V safety rating, low battery indicator, and easy access to battery compartment
GFCI Tester detects the most common wiring problems in standard and GFCI receptacles: open ground, reverse polarity, open hot, open neutral, hot/ground reversed
CAT II 300V safety rating, works on GFCI outlets, and confirms operation of the ground fault protective device
NCV Tester is not recommended for testing tamper-resistant outlets use Cat. Nos. NCVT-2P or NCVT-3P in low voltage mode