SINOTIMER TM-619sH-4 12VDC 10A Digital 7-Day Timer Switch Second Control Timer1. LCD screen easy to read and set the timer. 2. A total of 28 on and 28 off settings can be set and can be set arbitrarily from Monday to Sunday. The minimum interval can be set to seconds, and the maximum is 168 hours (equivalent to a week). It can be temporarily turned on and off manually. Just set one to form a permanent cycle. 3. Direct voltage output is convenient for wiring, and the battery can be replaced. 4. With screen lock function to