Prime Wire & Cable DT9IW007 In-Wall 7 Day Digital Timer with 18 Settings Front Door Panel Doubles as On/Off Override/Convenient One-Touch Push Bypasses Programming 7-Day Programmable/Set to turn On/Off any Day or Time 18 Customizable On/Off Settings/Multiple Settings Based on Day, Hour and Minute Battery Backup/Maintain Timer Settings During Power Outages System On/Off Switch/Turns Entire Unit and Programing On or Off