Honeywell 7-Day Programmable Light Switch. For use with incandescent, flourescent and halogen lights; 500W max, 40W min @ 120V; Hidden programming buttons; Sleek design mounts flush with wall plate; Universal wiring (2-wire connection); Single pole (2-wire) or multi-switch (3-way) installation; Built-in rechargeable battery; Can also be used like a conventional on/off switch.