Origin:Mainland China Certification:CE Power:2*2 AA* 1.5V alkaline batteries Maximum current:90mA Working environment temperature:-10~60 Celsius Display accuracy:0.5 Celsius Default range of temperature adjustment:5 ~35 Celsius Probe sensor:NTC(10k) 1% Range of temperature display:1~70 Celsius Thread size:M30*1.5 Insulating condition:Normal Environment Size:53*89.5mm Running program:Set per 1 week as a cycle Maximum route:4.5mm Note: The radiator valve should work with ZigBee Hub to realize auto function. If not work with ZigBee hub, the time will be reset, and can not work under auto mode. ZigBee 3.0 Wifi Smart TRV Radiator Actuator Thermostatic Heater Programmable Radiator Valve Tuya Smart Life App Temperature Controller Voice Remote Control work with Alexa Google Assistant Product Features: 1. Smart Tuya ZigBee Radiator Actuator Thermostat: With LCD digital display screen Two sections of AA batteries powered Special valve using cooperatively with heating radiator Artificially set indoor temperature, mainly used in the floor heating system to control the closing and opening of the pipe 2. Must work with Tuya ZigBee Wireless Gateway Hub: A ZigBee wireless hub is a must that connects to the valve many other ZigBee smart products to realizes the whole linkage of your smart home devices. Simply add your gateway to the App, and then add your radiator actuator to your gateway in the App. 3. Programmable Schedule with Weekly Programming Selection: Supports manual set up 5+2,6+1 and 7 days weekly schedule with 6 periods for option Provide you with the maximum convenience for different situation and setting customized schedule for your house temperature. Holiday mode, automatic mode, boost mode is available. Choose workday and restday mode to meet your own mind. 4. Voice and Remote Control for the Tuya ZigBee Wireless Gateway: App remote control via your smart phone. Hands-free voice control via Alexa and Google Assistant. 5.Open Window Detection: When room temperature suddenly drop into temperature threshold, valve will close for 15 minutes. After that, if the room temperature is still lower than temp. Threshold, it will keep this mode. Easy to read digital display with Celsius temperature. 2 Years Warranty Parameter: Power Supply: 2*2 AA* 1.5V alkaline batteries Maximum current: 90mA Working environment temperature: -10~60°C Display accuracy: 0.5℃ Default range of temperature adjustment: 5~35°C Probe sensor: NTC(10k)1% Range of temperature display: 1~70°C Thread size: M30*1.5 Insulating condition: Normal environment Size: 53*89.5mm Running program: Set per 1 week as a cycle Maximum route: 4.5mm Package Listing: 1 * Radiator Thermostat + 1 * Bag of Accessory + 1 * User Manual Q&A: Q: Can I use my own hub to connect with the valve? A: No,this radiator thermostat can only be used with our Tuya ZigBee wireless gateway hub. We also offer the set of the hub for your choosing. Q: Can this thermostat be set to Fahrenheit display? A: No,it can only be displayed with Celsius display. Q: Can I program the schedule myself? A: Yes, the thermostat is programmable.You are able to program your schedule freely. Q: Can I control the thermostat if I am not at home? A: Yes, since successfully connect it to the hub, you are able to control your device on your smart phone App anywhere. Q: Does the thermostat have a screen lock to prevent guests or kids from tampering with the settings? A: Yes, it has. It has a fully locked mode that prevents any changes or misoperation by children. Q: Is the battery included? A: No. As delivery limitation, the battery is not included. Tuya ZigBee 3.0 TRV Intelligently control the device via APP after connecting it to ZigBee 3.0 wireless gateway hub Wifi Router -- Wireless Gateway Hub | App Control | Voice Control Hands-Free Voice Control Control room temperature via voice command Work with Alexa or Google Home App Remote Control from Anywhere Real-time control your house temperature via smart life App Weekly Programmable Schedule 5+2 six-period weekly programming 6+1 six-period weekly programming Seven days and six time period programming Connector Campatibity ① RA Adapter ② Ravl Adapter ③ RAV Adapter Control More With One Wireless Hub Supports one ZigBee Gateway Hub to control maximum 50 valves Living room | Bedroom | Bathroom | Kitchen | Sutdy A Whole linkage to other ZigBee 3.0 devices with One wireless Hub Socket | Vlaves | Echo Plus | Light Switch | Temperature Control A Wide Range of Application Suitable for housing, shopping mall, hotel heating and central air conditioning temperature control Excellent Assistant to your smart life temperature Holdiay Mode with timing restday setting supported Open Window Detection Customize the time and setting of the device in Smart Life App Energy Saving Choose energy saving mode to prolong battery life 2*2 AA* 1.5V Alkaline Batteries Powered Note: Battery is not included in the package Mini Design with simple operations and display to save more space Dimmension