BN-LINK 60-Minute In-Wall Spring Loaded Countdown Timer automatically turns off fans, lights, motors, heaters and other energy consuming loads. Installs conveniently in single or multi-Gang electrical wall boxes and easily replaces SPST toggle switches. Fits any single or multi-Gang decorator or toggle switch plate. Package includes a timer device, knob, and connection accessories, and 2 free faceplates designed to fit either toggle or decorator style switch plates. This Timer will ensure your bathroom exhaust fans, basement lights, bathroom heat lamps, and kitchen fans turn off after a set amount of time. All with the simple turn of the dial. This timer is compatible with compact fluorescent lighting. The BN-LINK timer brings simplicity to your life, by maximizing convenience, security, and energy savings.