Wireless Wiser room thermostat can be added to any Drayton Wiser kit to control up to 4 x Wiser radiator thermostats in a room or to replace an existing Wiser room thermostat. User-friendly smart thermostat, easy to install with no wiring and no fuss. Can be mounted on the wall or using the table stand supplied. Control on the move via a simple app. Simple boost function from 0.5 to 3hrs. High resolution screen (320 x 240). Some installation required. Works with - Amazon Alexa - Google Home - iOS App - Android App 5-30°C Temperature Range Suitable for Combi & System Boilers Battery-Powered Digital Display 2 Year Guarantee Master Control for Up to 4 Wiser Radiator Thermostats Manual Override Smart Hub Required Works with - Amazon Alexa - Google Home - iOS App - Android App 5-30°C Temperature Range Suitable for Combi & System Boilers Battery-Powered Digital Display 2 Year Guarantee Master Control for Up to 4 Wiser Radiator Thermostats Manual Override Smart Hub Required