7 Day Timer. Use for devices requiring form C dry contact relay for operation. Panel mount timer. Rated for 12 VDC or 24 VAC/DC. The internal memory provides backup of event programs for up to 17 ON/OFF events per day. Features micro-CMOS quartz, digital time switch for 7 days – 24 hours, 8 ON/OFF programs, and 56 ON/OFF settings for daily and weekly functions, manual override button, LED indicator for on and off status, and accurate to the minute control.