Key Features . Clear LED DisplayManual Control Knob for easy temperature controlCompact modern designSmart control of your radiators even without a boilerFree app and; firmware updates The Tado Smart Thermostat Starter Kit - Horizontal offers multi-room control saving even more on your heating costs and making life more comfortable.The intuitive interface of the Smart Radiator Thermostats and the new Smart Schedules in the app make control of your heating even easier.Works with Apple HomeKit Google Home Amazon Echo and IFTTT.The Smart Radiator Thermostats are compatible with all standard radiators with thermostatic radiator valves. Simply replace the old conventional radiator thermostat - no tools needed. The Smart Radiator - Starter Kit contains various adaptors . Whats in the box . tado° Smart Radiator Thermostattado° Internet Bridge2 AA batteriesSet of adaptersUK power adapterEU power adapterUSB cableEthernet cable. .