Smart TRV Need work with Tuya gateway Smart TRV Controllor Optimized structure to load powerful motor in a compact body. accurate, delicated and save space Installation Method 1.Install the battery; 2. Install on the valve 3.Connect to the gateway; 4. APP for pairing APP/Voice Control Smart life/Tuya app remote control from anywhere, anytime Work with and home Programmable Weekly Schedule & Time Period 7day programmable weekly schedule, 6 time period/day can be setting on app Multiple Selection Modes Manual mode, Program mode, ECO mode Comfort mode, Antifrost mode, Holiday mode History Query View switching times and temperature details for previous time periods Child Lock Function Make sure your home in smart and safe status Anti-Freezing Function Under Off status, temperature8C-valve close Bidirektionaler Bildschirm Adjust the temperature to 35, long the knob, the display switch Family Share Function You can share the TRV to your family with the limited right, create a smart home together with your family member Group-Control Function Realize group control TRV in different room in special scene Product Parameter Device Overview Color: As shown Material: ABS Package Contents: 3x intelligent constant temperature valve 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.