6 units in total together with the bridge unit that connects them via the app. Really like the way the app allows you set set each room independently and provides feed back on rooms status
4 units are slightly older at 3 years and provide a digital read out if the temperature on the unit. The other 2 are newer 1 year old
Tado° Smart Radiator Thermostat are battery-powered 2AAs . They features smart capabilities such as programmable schedules, geofencing, and energy monitoring. The thermostat is compatible with central heating radiators and can be controlled via the Tado° app, as well as through integration with Amazon Alexa, Google Assistant, and Apple Home. With features like frost protection and wireless connectivity, the Tado° Smart Radiator Thermostat offers a convenient and energy-efficient way to regulate the temperature in your home.