It can be used as part of a system in conjunction with fan coil, combi-boilers, oil-burners and gas fired boilers, circulation pumps,thermal actuators, zone values and electric heating systems(<10A). In combination with other R5001 room units and RC01 receivers it can be used to control multi-zone applications. FEATURES 1,R5001 can be installed without disrupting your room structure as no wiring connection is required between the room unit and the boiler 2, Attractive, slim, ultra-modern styling makes it ideal for location in any type of home 3, 5+2day or 7-day programming 4,LCD Backlighting to illuminate the display for easier viewing in low light conditions 5,Reliable RF communication utilising 433 MHz band with 1 % duty cycle limit to minimise communication disturbance 6,EEPROM memory holds the user program indefinitely 7,OFF position has an integral frost protection setting at minimum 5 C (installer adjustable) so that pipes in the house will never freeze in winter. 8, Fail-safe mode for communication loss 9, Low battery indicator RC5001: 1, Temperature Range: 5 35 C 2, Switching Differential: 1 C 3, Power Supply: 2 AA batteries 4, Battery Life: 6-12 months 5, Sensing Element: NTC 6, Operating Temperature: 0 45 7, Storage Temperature: -20 55 8, Operating Humidity: 5 90% 9, Dimension: 140x94x28.5mm H x W x D RC01 1, Power Supply: 230Vac 10%, 50/60Hz 2, Output Rating: 24-230 V ac, 0.8A run, 5A inrush 3, Wire Access: From the rear (wall box mounting), right and bottom 4, Storage Temperature: -20 55 5, Operating Humidity: 5 90% 6, Dimension: 123x90x48mm H x W x D RF 1, RF operation band: ISM (433) MHz, 1% duty cycle 2, RF communication range: 30 meters in a residential building environment 3, RF communication technology: short, high rate transmissions to minimize air time and avoid collisions 4, Blocking immunity: Receiver class 2 5, RF binding method: Factory pre-bound with the room unit