Factory default operates with two independent SPST contacts|Software allows option for single channel DPST setting|32 ON and OFF set points for individual programs for each day of the week|Minimum setting is 1 min|20 holiday blocks can be set for individual days or for duration of any number of days|Until the next regularly scheduled ON or OFF, automatic operation then resumes|Supercapacitor provides 4 days of real time backup|Inrush current limiting technology protects relay contacts for extended life with zero cross switching|Rated for LED lighting drivers and electronic ballasts|Save Energy and Money, This time switch saves time, energy and money by providing a convenient way to turn equipment on and off|Professional Performance, The EWZ201C is compatible with incandescent, compact fluorescent and LED bulbs, and automatically detects voltages in the 120-277 range