The 365-day astronomic energy control enables independent programming for each day of the year to provide flexibility for applications where load switching differs frequently. 365 days astronomic timing. Automatic input voltage selection from 120 to 277 VAC 50/60 Hz. Over 4000 events plus holiday schedules. 30 A rated contacts. 100+ hour super capacitor maintains date and time in case of power outage. USB connection for uploading, downloading and transferring of programs. Ethernet capable for networking of controls to other controls and PC tools. Easy to follow on-screen menus for programming to-the-minute accuracy. Non-volatile memory protects programming indefinitely. Firmware upgradable in-field via USB or Ethernet. CAN connection supports up to 32 additional circuits or inputs externally. Available in 1, 2, 4, 8, 12 and 16 circuits. Internally expandable in 4 circuit increments up to 16 circuits.