Requirement for function: connect to a Wiser Hub and the Wiser Home App Easy installation: The Merten radiator thermostat is designed for easy installation, i.e. you can upgrade the heating system of your home without professional installation. Smart thermostat heats only according to individual needs and can be configured via time programs, heating plans, scenarios and clever services to avoid unnecessary heating Wiser radiator thermostat regulates the radiator hot water flow within a Wiser heating control (Zigbe) ).Thanks additional additional intelligintelligintelligThe heating thermostats maximise your comfort, save even more energy and have an overview of your total energy consumption at all times International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.