Custom set this programmable timer to turn lights, exhaust, and ceiling fans, space heaters, and other appliances On and Off at certain times of the day - the settings repeat weekly, allowing you to set it and walk away; use up to 7 settings per day or 49 per week. 1 potential use is to turn On lights in your house when no one is home, making it appear your home is occupied, deterring burglars and increasing security. Other handy features include simple push-button settings, self-recharging battery back-up in case of power failure, and compatibility with compact fluorescent bulbs. Installation is easy, it replaces a standard light switch plate and fits a standard decorator switch plate. Realize energy saving by timing appliances and lights to only be On when needed. 125VAC (Volts Alternating Current) 60Hz (hertz). 15A (ampere)/1875W (watts) Resistive, 8A/1000W Tungsten, 8A Ballast, up to 1/4hp (horse power) motor.