Intermatic DT Series 1-Circuit 20 Amp 24 Hour Indoor Surface Mount Timer with Battery Backup, Gray DT101D89

This series offers an easy way to upgrade from a basic mechanical time switch to an electronic time switch. These timers will allow for up-to-the-minute programming, battery backup for power loss, up to 28 events total, and automatic daylight saving time corrections without the need of user interaction. They come in a standard 24-hour Version that allows the schedule to repeat on a daily basis.