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 ft (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. Klein® NCVT1XTKIT Non-Contact Voltage and GFCI Receptacle Premium Test Kit