Save Up to 30percent Annually on Your Energy Bills, Experience annual savings of up to 30percent on your energy bills with our Smart TRV. The programmable heating and smart scenes optimize your temperature control, while window open detection automatically adjusts to prevent energy waste. Fits 98percent and Valve Standards, Designed to fit over 98percent 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 or 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 or Smart Life Voice Control: Alexa or Hey Note: Tuya ZigBee Gateway Hub Required. Connection Adapters: RA or or RAVL or CAL or or M28 Adapter Power supply: Two 1.5V AA alkaline batteries (LR6)(Not included batteries) Colour: White Material: ABS Package Contents:2xThermostatic 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.