Klein Tools 80077 Voltage Tester Kit with Electronic AC/DC GFCI Outlet Tester and Non-Contact Voltage Tester Pen

Electronic AC/DC Voltage Tester features indicators for positive and negative DC polarity, and tests DC voltages as low as 1.5V. It tests AC voltages 12 to 240 VAC. Receptacle Testers are designed to detect the most common wiring problems in standard and GFCI receptacles. Non-Contact Voltage Tester detects standard voltage in cables, cords, circuit breakers, lighting fixtures, switches, non tamper-resistant outlets and wires.