The iO-WR Wireless Relay Kit contains 2 four-channel transceivers. The base module has 3 transmitting channels and 1 receiving channel. The satellite module has 3 receiving channels and 1 transmitting channel. Using RF the wireless relays communicate between two devices or pieces of equipment. The units have a range of 100′. The relays can control or monitor heating and cooling equipment, condensing units, fans, coils, pumps, lights, and industrial equipment. – 1 YEAR WARRANTY
