Product DescriptionThe Seco Larm SK 910RD4 is a four channel radio frequency receiver built for wireless control of devices such as garage doors lights motorized gates and lifts. It learns up to 60 transmitter button codes per channel and supports five programmable relay output modes: 0.5-99 second timed pulse, 1-99 minute timed pulse, toggle, latch and follow validity. The unit accepts 10-24 VAC/VDC power and features Form C relay contacts rated at 10 A@14 VDC each. Operating frequency is 315 MHz with optional support for 433.92 MHz using an extended range antenna. With a range of up to approximately 500 ft and compact dimensions of 4 3/16″ x 7/8″ x 2 3/8″ it offers both flexibility and ease of installation for professional automation or access control applications.