1. APP remote control: You can remotely monitor the home temperature anytime and anywhere through the APP. 2. Voice control: Works with for and for Home to achieve voice control. With just one voice , the smart thermostatic valve start working, freeing your hands. 3. Weekly programmable: You can set a schedule according to the needs and habits of the user, adjust the room temperature regularly, and provide a personalized experience. 4. Energy saving: Automatically adjust the temperature of the heating system according to the changes in indoor temperature to achieve energy saving and environmental protection. 5. Visual display: Equipped with a display screen to display information such as indoor temperature, so that you can understand the current environmental conditions. Power supply: 2 x 1.5V alkaline AA batteries (not included) Protection level: IP21 Operating temperature: -10-50 Connection: M30 x 1.5mm Linear travel: 4.5MM Operating channels: 11-26@2.400-2.483GHz Maximum transmit power: +10dBm Note: ZigBee gateway is required, please purchase separately. Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color: White Material: ABS Package Contents: 1 * Intelligent Temperature Controller 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.