Wiring your lights through a timer switch like the Honeywell RPLS531A1003/U can help save money while adding a level of convenience and safety to your home. This Honeywell 7-Day Programmable Timer Switch has the flexibility of being able to use 7 different programs per week. This unit works with incandescent and halogen lighting (40 W minimum). The LCD screen shows time, day and load status. Manual override enables load to be turned on/off without affecting programming. Multiswitch (3-way) connection enables use with 3-way switches. This unit also has a built-in rechargeable battery and the programming is protected during power outages.