Usage Tips:Features:<br > <br > Wifi and Bluetooth connection<br > <br > Can be programmed/operated via app (TuyaSmart)<br > <br > Compatible with Amazon Alexa, Google Assistant and IFTTT<br > <br > Weekly program 6 switching times<br > <br > Internal room temperature sensor and external temperature sensor<br > <br > Adjustable display brightness and time-controlled display switch-off<br > <br > Technical data:<br > <br > Mounting type: flush-mounted<br > <br > Version: wired<br > <br > Operating voltage: 230 volts<br > <br > Max. switching capacity: 16A / 3680 watts<br > <br > Control type: adaptive control<br > <br > Operating temperature: 5-50C<br > <br > Sensor: internal & external<br > <br > Temperature control range (internal / room sensor): 5-60C<br > <br > Temperature control range (external / floor sensor): 5-60C<br > <br > Compatible NTC sensors: 10kOhm at 25C<br > <br > Frost protection: Yes, 5C<br > <br > Floor limit range: 5-60C<br > <br > IP protection class: IP20<br > <br > Display/lighting: Yes/Yes<br > <br > Operating frequency: 2.4 GHz<br > <br > Max. transmitted high frequency power: 17.5 dBm<br > <br > Dimensions (WxHxD): 86x86x43.9mm<br > <br > Scope of delivery:<br > <br > 1x Thermostat M2-WiFi in selected color<br > <br > 1x Floor sensor NTC 10kOhm<br > <br > 1x Operating instructions<br > <br > 1x Mounting accessories