Scheduling 128 time based events allow individual programs for each day of the week at a minimum 1 min apart, event types include on, Off, duration or duty cycleSensor event 32 sensor driven events allow individual programs for each day of the weekSunset astronomic adjusts daily to changes in sunset time, adjustable 10 to 70 deg northern or southern latitudes, settings can be offset from both sunset and sunrise timesUniversal input 8 inputs may be assigned to any channelSwitched input accepts input from optional momentary or maintained switch for a timed overrideMomentary contact may be configured for momentary On/Off operation to control latching contactors, operates as a two channel unitHolidays 26 holidays may be set using 10 individual dates, 10 month type (last monday in may) or 6 specific holidays with one of 3 independent holiday schedulesBlock holiday 10 holiday blocks can be set for individual days or for duration of any number of days and may use one of 3 holiday schedulesDuty cycle 4 different On and Off patterns from 1 sec to 23 hr, 59 min, 59 secDaylight saving automatic adjustment (can be omitted)Leap year automatic compensationRemote override: universal input may be programmed for timed override from a momentary or maintained dry contact switchManual override: keyboard button control until the next regularly scheduled On or Off, automatic operation then resumesStaggered start: optional stagger up time between channels, after a power outage, selectable from 5 sec, 15 sec, 30 sec, 1 min, 5 min, 10 min and 15 minAM/PM or 24 hr clock formatPower outage backup: program and time of day are maintained for a minimum of 2 days by means of a capacitor, after two days, a lithium battery takes over and provides a minimum accumulated time of 1 year, the lithium battery should provide over 10 years of protection