tado° Smart Thermostat (Wired) Starter Kit V3+ - Intelligent Heating Control, Easy to Install, Designed in Germany, Compatible with Alexa, Siri & Google Assistant : Amazon.de: DIY & Tools
tado° V3+ Starter Kit (wired) Smart Thermostat, White - Worldshop
Smart Radiator Thermostat - Starter Kit V3+
Munich-based smart thermostat startup tado° raises $50 million from Amazon, E.ON, and others - Tech.eu