COMPATIBIITY REMINDER: The “Netatmo Connected” products (including Smart Energy Saving Thermostat, Smart Radiator Valve and Smart Starter pack) are NOT compatible with the new “Netatmo ORIGINAL” range, as they use different communication protocols.To ensure the best experience, we recommend checking your existing setup before making a purchase. ACCESSORY : the Additional Smart Radiator Valve works only with the Netatmo Smart Thermostat or the Netatmo Smart Radiator Valves Starter Pack, and allows you to control the temperature with even greater precision. SAVE ENERGY : save even more energy when heating your home. SMART HEATING : the Auto-Adapt feature takes into account the weather and your home’s insulation to guarantee your chosen temperature. VOICE AND DISTANCED CONTROLLED HEATING : control your Smart Thermostat from distance via your smartphone, tablet or computer or with voice control thanks to Amazon Alexa, Apple HomeKit and Google Assistant compatibility. COMPATIBILITY : Netatmo Additional Smart Radiator Valves are compatible with more than 90% of radiators. Adapters are supplied with each Smart Radiator Valve to fit the thermostatic valve body of your radiators. COMFORT OR ECONOMY MODE : choose between two heating modes. Comfort Priority tells the Radiator Valves to heat certain rooms to a temperature higher than the thermostat. Eco Priority tells them to limit the temperature. 2 ADDITIONAL BATTERIES INCLUDED: Our Additional Smart Thermostatic Head comes with 2 additional batteries (4 in total). Thanks to these extra batteries, you can enjoy extended use without worrying about running out of power., Weight: 0.9479877266 Pounds, Manufacturer: Netatmo