Honeywell Wireless Digital Room Thermostat provides automatic temperature control to boilers and different heating systems. It has a 30 metre wireless range and can be used on mains or low voltage switching. It features an Eco button to reduce energy demand and will make boilers operate more efficiently. It's simple to use and the temperature range can be set from 5 to 35degC. There is a two way wireless communication between the thermostat and the receiver.