Never heat an empty room again! tado Smart Radiator Thermostats replace existing thermostatic radiator valves to give you room-by-room scheduling and control from your phone, meaning you can enjoy the perfect temperature where you are, whilst saving energy by only heating the rooms you’re using. These products are easy to self-install - simply unscrew your existing radiator valve head, replace this with a tado Smart Radiator Thermostat and add the device in your tado app. To benefit from this device you must also install a tado Starter Kit. Works with a tado Starter Kit and provides room-by-room scheduling and control from the tado app. Easy to self-install when replacing an existing Thermostatic Radiator Valve (TRV). Save energy by only heating the rooms you are using. Achieve your perfect temperature in every room. Alexa compatible. Google assistant compatible. Siri compatible. Compatible with iOS and Android operating systems. App needed for use: tado app. Operates over mobile internet. Operates over wi-fi. Requires wireless router for use. Controls heating. Controls appliances. Temperature sensor. Monitors energy consumption. Sets schedules for devices. Components include 1 x tado Smart Radiator Thermostat, 2 AA batteries, various adapters. Suitable for indoor. Batteries required 2 x AA (included). W7.8, D5.2cm. In the box: tado Smart Radiator Thermostat, 2 AA batteries, Set of adapters. Manufacturer’s 2 year guarantee. EAN: 4260328610596.