Programmable timer for halogen or incandescent lighting. Easy to read backlit screen. Can be programmed up to 7 days a week with sunrise and sunset activation. Random mode turns on lights at different hours for increased security while you are away from home. Automatically adjusts to seasonal time changes, no need to reprogram. Can be used as a traditional timer without hindering the programming. Unipolar or 3-way installation. Programming protected during power outages. White. (Plate sold separately). Not compatible with compact fluorescent bulbs.