Application: I plug the module to the input thermostat of my boiler and connect with the temperature sensor to my HomeBox DiO. With the app DiO Home, I adjust the temperature of my smart home no matter where I am.TechInfo: Transmission range: Up to 150m (in open field) Radio protocol (Devices): DiO 2.0 (868,3MHz by edisio) Control via smartphone: Possible with the HomeBox Feedback status (on/off, open/close, ...): Yes Memory: Up to 32 linked transmiters Heating type: Central heating & Classic electrical heating Product type: Receiver Dimensions: 80x 80x 19mm Use: indoor (IP20), do not use in wet environment Working temperature: from -5°C to +50°C