[RF remote]- Easy to install and suitable for anywhere you like [App control]- Smart thermostat that can be controlled from your phone before you go home. (Application: Doodle/Smart Life) [Voice control] Use Alexa Home [Weekly programmable]- The thermostat supports setting different temperatures according to 6 time modes every day. [Memory function]- don't worry about power failure, data memory when power failure. Specifications: Power supply: Receiver: 110v-240v ac 50/60hz Exposure: 0.5 Temperature adjustment range: 0-90 App: Your intelligent life Voice control: Alexa/ Home/Yandex Colour:White Material:ABS Note: Installation guide not included, we strongly recommend you professional installation. Please check as much as possible to make sure the item is what you need. Due to different product batches, the appearance , which does not affect the use Package Contents: 1 set * Smart WiFi Thermostat Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.