The ENFORCER SA-027WQ 7-Day Timer can be programmed to operate a Form C relay 24 hours a day on a weekly basis for various applications including security, access control, lighting, and environmental control. The relay can be programmed for up to 60 events with each event on a weekly or daily schedule. A programmable holiday disables the timer for a single day weekly. Features: Wide operating voltage range – 10~48 VDC, 12~24 VAC One (1) N.O. or N.C. Form C relay, 10A@14VDC, with an egress input First-person-in (first-man-in, FM) function interrupts the normal operation of the timer 60 Programmable events set weekly, daily, or hourly, over a week Programmable holiday event – holiday from 1~31 days in duration EEPROM Memory for safe data protection in case of power failure No clock battery to replace – built-in super capacitor saves date/time 5-10 days after power loss Easy troubleshooting status checks – relay test, power input voltage Passcode protection can be turned ON or OFF Event outputs can be programmed to disable, ON, OFF, shunt, or momentary (1~99 seconds) Enable/Disable 1-hour offset as a quick setting during Daylight Savings Time Large alphanumeric white backlit LCD display for easy programming