Overview Heatmiser Slimline-RF Bundle v3 The Heatmiser Slimline-RF Bundle v3 comprises of a Heatmiser Slimline-RF v3 Multi Mode Thermostat and RF-Switch v2 wireless receiver. The receiver is hard-wired to the boiler, so it is normally positioned next to the boiler, or you could use the existing thermostat cabling. The wireless thermostat is then wall-mounted within range of the receiver (up to 100 meters open space) The RF Switch v2 is a 3 Channel Receiver providing 3 changeover contacts, 2 for the heating circuit and 1 for the hot water circuit. In addition, the RF Switch v2 provides a voltage-free switch for the boiler. The RF Switch v2 can be paired to the UH8-RF v2 to provide a wireless link for the boiler signal. Multi Mode: Can be set up to work in one of three modes; Non-Programmable ThermostatProgrammable ThermostatProgrammable Thermostat with Hot Water Output Key Features Wireless Thermostat - 868MHz Heating & Hot water Outputs Distance: Up to 100 Meters Open Space Large Back Lit Display 5/2 or 7 Day Programming Modes 4 Comfort Levels per Day Optimum Start Wireless Fail-Safe Function ºC/F Option 05ºC - 35ºC Range Holiday Function Hold Function Wall Mount Frost Protection Key Lock Facility Battery: 2 x AAA (Included) Compatible with UH8-RF v2 & Heatmiser Boost v2 Remote Air Sensing Facility (Ideal for measuring the air temperature up to 20 meters from the thermostat, in bathrooms, for example. Remote sensor probe required, not included) Dimensions: 98mm x 85mm x 24mm (Height, Width, Depth)