Function & Purpose The product can open and close all kinds of power supply automatically according to the user? time. The control objects can be road lamp, neon light, billboard lamp, product equipment, broadcast TV, and all that the circuit fixtures and home appliances need setting time to open and close. Controls lighting including fluorescent and heavy-duty loads such as fans and appliances. Designed to handle 120/240/277 VAC. DC Loads 4 Amp /12 VDC, 2 Amp / 28 VDC Up to 6 ON / 6 OFF settings per 7-day period accurate to the exact minute - A total of 42 ON / 42 OFF settings per week. Can be used with four separate programming options: Same settings Monday - Friday Saturday and Sunday All 7 days of the week Individual daily settings Easy to set 6 button programming. LCD digital clock and readout. To-the-minute accuracy. Battery backup. Random setting feature available to avoid predictable "timer controlled" look. Manual override feature. Ratings: 15 Amp Resistive, 8 Amp Inductive, 10 Amp Tungsten. Mounts in any standard light box, Decorate plate