Intermatic ET90815CR 365-Day Electronic Astronomic Time Switch with Nema 1 Indoor Steel Case and 8 Circuit SPDT (20 Amp/120/208/240/277V) 365-Day astronomic timing automatic input Voltage selection from 120 to 277 VAC, 50/60 Hz Over 4,000 events Plus holiday schedules 30 amp rated contacts 100+ hour super capacitor maintains date and time Ethernet capable for networking of controls to other controls and PC tools easy to follow on-screen menus Intermatic ET91615CR Timer, 30A 120-277V SPDT 365-Day Astronomic Energy Control W/Type 3R Steel Enclosure