Save Up to 30% Annually on Your Energy Bills, Experience annual savings of up to 30% on your energy bills with our Smart TRV. The programmable heating timer and smart scenes optimize your temperature control, while window open detection automatically adjusts to prevent energy waste. Fits 98%+ Valve Standards, Designed to fit over 98% of radiator valves, our TRV integrates seamlessly with standard "M30 x 1.5 mm" valves. Installation is hassle-free with the included accessories. Precise Temperature Regulation, Equipped with a high-quality motor, our smart thermostatic radiator valve provides accurate temperature control. Booster, manual or app-based adjustments quickly reach your desired comfort level. Programmable Heating Schedules, with weekly programming, allowing up to 5 customizable times each day. Effortlessly meet all your heating needs, ensuring a consistently warm home. Effortless Voice Control, Control your TRV hands-free with Alexa or Assistant. Simple voice commands enhance your smart home experience by adjusting settings and temperatures. APP Remote Control, Stay in control from anywhere with the TuyaSmart/Smart Life app. Remotely monitor and adjust your TRV settings, ensuring optimum comfort and energy efficiency. Type: ZigBee TRV Model: Smart Temperature Controller Standard: Smart Thermostatic Radiator Valve Wireless Connection: ZigBee Offset Temperature: -5-5 Child Lock: Support Temperature Range: 5-35 Protection Degree: lp20 Fixed Temperature Tolerance: 0.7 Connection Standard: M30x1.5mm MAX Movement: 6mm Working Temperature: -0-50 Hub Requirement: Yes APP: TuyaSmart/Smart Life Voice Control: Alexa/Hey Note: Tuya ZigBee Gateway Hub Required. Connection Adapters: RA//RAVL/CAL//M28 Adapter Power supply: Two 1.5V AA alkaline batteries (LR6)(Not included batteries) Colour: White Material: ABS Package Contents:2*Thermostatic Radiator Valve(no battery) 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.