24 hour timer; plug-in timer; programmable timer. Up to 2 on/off settings per day, settings repeat daily. Automates lamps and holiday lighting to help reduce energy and save money. Slim design does not block open outlet, 2 timers fit 1 receptacle.Simple-set 4-button programming.Ratings: 125-volt, 60-hertz, 10-amp, 1250-watt Resistive, 4-amp, 500-watt Tungsten and 4-amp Ballast.