Timer is suit for water heater, Water dispensers, Street lamp, Staircase lamp, Advertising lamp boxes, Breed aquatics, Irrigate, Office power auto control, in anywhere need time control in civilian, home or industrial, etc. it can setting 8 programs to control ON and OFF of electric appliance in 24 hours or setting 56 programs in one week. It can be programmed to avoid the peak of power, and it can distribute power in time limit to saving energy. This timer is a kinds of module for DIN guide rail, it is easy to installation in distribute box, and its so compact size with pretty form.. its materials are accord with ROHS. 1.DIN Rail Installation 2.Advanced pre-setting one week before 3.Digital electronics general purpose time switch with daily and weekly programs 4.Repeat programs with 8 ON/OFF settings 5.To-the-minute setting accuracy 6.LCD displays real time to Hour/Minute and ON/AUT/OFF