This 2-Piece tool set includes a non-contact voltage tester and an AC/DC voltage / continuity tester. The NCVT-4IR is a voltage tester with an infrared thermometer. The voltage sensor detects 12 to 1000V AC and indicates the presence of voltage in cables, cords, circuit breakers, light fixtures, switches, outlets and wires as well as AC voltage in doorbells, thermostats, low voltage lighting and irrigation systems. Includes both visual and audible signals. It also provides infrared (IR) thermometer measurements, making it the perfect choice for HVAC professionals. The ET250 is a solid-state, digital voltage and continuity tester. It measures AC/DC voltages up to 600V and tests for continuity. Additionally, the ET250 tests GFCI protected circuits to verify that the GFCI device is functioning appropriately. The tester includes a backlight and integrated flashlight for working in reduced ambient lighting conditions.