Zilla Digital Timer Power Center is a 24 hour day-night alternating timer device that is ideal for all lighting systems. The unit can be set to turn on/off 7 times per day on different days of the week. The Zilla Digital Power Center has 4 constant power outlets and 4 alternating timer-controlled outlets (2 daytime and 2 nighttime) to make the day and night lighting applications easier to manage. The digital feature allows the alternating timer to set the day-night cycle at different times of the day on different days of the week. When the 2 daytime timer-controlled outlets are on, the 2 nighttime timer-controlled outlets are off. Designed for indoor use only. UL Listed; 1875 watts max.; 15 amps.