AUTOMATIC LIGHT SWITCH TIMER - Automatically turn lights, lamps, fans, sprinklers, and motors ON/OFF at the times and days you program the programmable timer switch for safety and security,PROGRAMMABLE TIMER - 18 unique ON/OFF settings, 7-day programming. Two modes: Manual (Normal ON/OFF switch) Automatic (Controls Load according to program),WALL TIMER SWITCH - Replaces a standard switch utilizing current wiring in the junction box. Ni-MH battery will store time/program settings in case of power outage; use RCL feature to recall your last setting,EASY PROGRAMMING - Quick and easy programming allows you to schedule both work days and weekends grouped, or schedule for every day; use RND feature to randomize load times for extra security when you are away; includes DST daylight savings settings,NEUTRAL WIRE REQUIRED - US & Canada UL LISTED safety checked. 3-year warranty. 2 Pack. Resistive 15A/1800W, Voltage 120VAC, 60Hz, Tungsten 1200W, Fan motor: 1/2HP. Single Pole only. Not for 3-way use. Screwless Wall Plate included