The Heatmiser Slimline-RF V2 works with the UH8- 8 Zone Wireless Wiring Centre and the Heatmiser RF Switch Wireless receiver.The Slimline-RF V2 can be setup to work in non programmable, programmable or programmable with hot water output mode.The wireless thermostat is designed to be wall mounted in the area being controlled, up to 100 meters open space from the receiver. An optional repeater is available (Heatmiser Boost) in order to extend the communication distance. The wireless thermostat is designed to be wall mounted in the area being controlled, up to 100 meters open space from the receiver.