Wireless digital thermostat - HONEYWELL : Y4H910RF4004

Digital thermostat with backlit screenHourly, weekly (5+2), or daily (4 to 6 settings/day) programming Hourly override - 1 to 5 hours Holiday mode Automatic summer/winter time adjustment Setting range from 5 to 35°C Starting optimisationDimensions (mm): H136xL98xD62Power supply: 2 AA 1.5V alkaline batteries, 3-year battery lifeNew retractable casing for easy connection - Power supply 230VEnergy efficiency: Class IV