Turns outlets on and off same time daily. 24 hrs repeat cycle programming. 4 programmable On/Off settings, multiple settings that repeat daily. Only three programmable buttons, simple step-by-step programming. Angled housing design and large LCD screen makes unit easy to program and read. Random invocation in mode adjusts On/Off time presets by up to 30 mins. Battery backup maintains presets during power outages. On/Off override switch to easily bypass programming. Compatible with CFL, LED, fluorescent and incandescent bulbs. 8 A resistive, 4.6 A tungsten, 1/2 hp.