Electronic Timer, Astronomic/Programmable, Number of Channels 2, Number of Poles 2, Contact Form SPDT, Voltage 120-277, Amps 30, HP @ 120V 1, HP @ 240V 2, Max. On/Off Cycles 4000, Min. Time Setting 1 sec., Max. Time Setting Indefinite, Number of Pulse Events 4000, Pulse Duration 1 sec. to 24 hrs., Operation Mode Astro 365 Day, NEMA Rating 1, Enclosure Type 1 Steel, Color Gray, Supercapacitor Battery Type, Backup Time 100 Hrs., Operating Temp. -40 to 120 Degrees F, Display Height (In.) 1.04