This transmitter receiver pair provides 9 contact closures tied to one common. It operates from a 12VDC input. The outputs are isolated from the DC inputs and can be configured to be either momentary or latching. Output relays rated at 10A @12VDC. The receiver electronics are encapsulated for waterproofing. Suitable for use in harsh environments. Operating temperature range - 0o F to 160o F. Transmit range is greater than 100 feet under normal operating conditions. Proudly made in the U.S.A.