Check the listing for details. Klein Tools NCVT5KIT Dual Range NCVT and GFCI Receptacle Tester Electrical Test. Color: Yellow, Condition: New. Listed at 35.99 USD. Klein Tools NCVT5KIT Dual Range NCVT and GFCI Receptacle Tester Electrical Test KitThe NCVT5KIT includes a dual-range non-contact voltage tester with laser pointer and a GFCI receptacle tester. The NCVT-5A automatically detects and indicates voltage (12 - 1000V) allowing broad application. The RT210 will troubleshoot the most common wiring problems in standard and GFCI receptacles.NCVT-5A provides non-contact determination of AC voltage in cables, cords, circuit breakers, switches, outlets and wires, as well as AC voltage in security, entertainment, communications, environmental control and irrigation systemsDual-range testing: select 12 to 1000V AC which is perfect for low voltage systems such as doorbells, environmental control or irrigation systems, or select 70 to 1000V AC which is perfect for detecting systems such as electrical mains supplyNCVT-5A delivers simultaneous visual and audible voltage indicators when AC voltage is detectedAudible voltage indicator beeps at a greater frequency the higher the voltage that is sensed, or the closer to the voltage source it isBright integrated laser pointer for identifying objects of interest at distance on the jobsiteRT210 detects the most common wiring problems in standard and GFCI receptaclesWorks on GFCI outlets and confirms operation of the ground fault protective deviceConditions the RT210 indicates: open ground, reverse polarity, open hot, open neutral, hot/ground reversed