1. Fits 98%+ Valve Standards:Designed to fit 98%+ of radiator valves, our TRV seamlessly integrates with standard "M30 x 1.5 mm" valves. With included accessories, installation is hassle-free. 2. Precise Temperature Regulation:Equipped with a high-quality motor, our smart thermostatic radiator valve ensures accurate temperature control. Boost, manual, or app-based adjustments swiftly reach your desired comfort level. 3. Customizable Heating Schedules: with weekly programming, allowing for 5 customizable time periods daily. Meet all your heating needs effortlessly, ensuring a consistently warm home. 4. APP Remote Control:Wherever and whenever you are, you can remote control this TRV conveniently through TuyaSmart/Smart Life app. 5. Effortless Voice Control:Control your TRV hands-free with Alexa or Assistant. Simple voice commands adjust settings and temperatures, enhancing your smart home experience. Type:ZigBee 3.0 TRV Model:Smart Temperature Controller Standard:Smart Thermostatic Radiator Valve Wireless Connection:ZigBee Offset Temperature:-5℃-5℃ Child-lock:Support Temperature Range:5℃-30℃ Degree of Protection:lP20 Constant Temperature Tolerance:±0.7℃ Connection Standard:M30x1.5mm MAX Travel:6mm Working Temperature:-10℃-40℃ Hub Requirement:Yes APP:TuyaSmart/Smart Life Voice Control:Alexa/Hey Note: Tuya ZigBee hub is required. We suggest that you use additional door and window sensors to trigger the window detection function. If there are no door and window sensors, this function be triggered when TRV detects a 5 ℃ (41 ℉) decrease in room temperature. Due to different batches, there may be differences in product appearance and printed text, which not affect use. Colour:White Material:ABS Package Contents: 1 * Radiator Thermostat Valve 3 * Connection Adapter 1 * Packing Accessory 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.