Wi-Fi controlled digital room thermostat.  Programme settings are all activated via your mobile device, giving you access to control your heating at any time, no matter where you are. App Features Available for Android and iOS only. Works with Wi-Fi and 4G.  Supports multiple devices and multiple users.  Enables user to programme, change and check heating status wherever they are.  Schedule heating times over a week with up to 6 time/temperature periods per day with weekly repeats.  5 programming modes available – Auto Timed, ON, OFF, Frost Protection and Holiday mode.  5°C to 35°C set temperature range with temperature adjustment in 0.5 degree steps. Technical Ratings  Thermostat Fits to supplied surface mount box or a BS flush mount box (min. 35mm depth).  Thermostat simply replaces existing 2 or 3 wire installation enabling Wi-Fi connection via home router.  6(2)A Power Box Switch Rating, Switch Type: Single Pole Single Throw (SPST) Wall Mount Power Box designed for easy connection to boiler. Light Indicators: Red LED (Power), Green LED (Output), Orange LED (Wi-Fi Connection)