QUICK AND EASY: You don't need to worry about guessing when locating the correct circuit breaker supplying power to AC outlet or lighting fixture. Thereby, just positively identifies circuit breakers and fuses without service interruption.
Receiver Automatical Switch-off: Receiver automatically stop its working if not used for 10min. Low battery detection ensures device is always charged and ready to use. If the battery voltage is below 7.3 volts, receiver beeps 3 times and turns off.
Accurate wiring is very vital to ensure safety and performance of branch circuits. From a safety perspective, shock hazards and fires are primarily due to poor installation or failure of protective devices, such as GFCIs.