CLEAR LCD READOUT: GFCI Receptacle Tester features a large backlit LCD readout for easy voltage reading and clear indication of wiring conditionsTRIP TIME DISPLAY: LCD readout shows the time required to trip a GFCI device, allowing for quick and accurate troubleshootingDETECT COMMON WIRING FAULTS: Detect and identify common wiring faults, ensuring electrical safety and proper functionality of GFCI receptaclesPATENT-PENDING OPEN NEUTRAL and OPEN GROUND DETECTION: Innovative detection system identifies Open Neutral and Open Ground wiring faults, enhancing safety measuresDUAL-RANGE NON-CONTACT VOLTAGE TESTER: Cat. No. NCVT3P detects voltage from 12 to 1000V AC or 70 to 1000V AC, suitable for various low-voltage or standard voltage applicationsINTEGRATED FLASHLIGHT: Separate flashlight function can be used independently of the NCVT for illuminating workspacesCOMPLETE KIT: The kit includes Cat. No. RT250 GFCI Receptacle Tester, Cat. No. NCVT3P Non-Contact Voltage Tester, carrying case, detailed instructions, and all the required batteries