Power Supply: 31.5V alkaline AA batteries(Not included in the package) Temp Setting Accuracy: 0.5 Ambient Temp.: 0~50 Operation Temp. Range: 5~35 Shipping & Storage Temp.: -10~60 Dimensions(HWD): 95.558.458.4mm Display: Knob control, LED segment display Frequency: 2.4GHz Protection Level: IP20 Compatible with: 6 kinds of adapter accessories available(Danfoss RA&RAV&RAVL, Caleffi, Giacomini, M28 valves) Certification: CE, ROHS, certification Radio protocol: zigbee/wifi It is possible to connect to the ecogaz signal in France Feature 1.Tuya Smart APP WIFI remote controlConnect this product to the Tuya/smart life app. You can control the temperature of your home anytime and anywhere, so that you can enjoy the most comfortable temperature when you get home. 2.Alexe/ Voice controlIn addition to control the product from your phone or manually, you can also control through Alexa and Assistant via voice control, freeing your hands and making your life more convenient. 3.Programmable FunctionYou can set different programming modes for each day of the week according to your schedule. There are 4 time periods per day for you to set.It can help you save more energy. 4.Data Logging FunctionThe Tuya Smart APP will record the valve opening degrees and the temperature of the room, allowing you to understand the working status of the product more intuitively. 5.Various Adapters :6 different adapters are included in the package, you don't need to worry about this product not matching your device. 6.More thoughtful features Child Lock: Prevent children from changing settings Rotatable screen: allows you to read it from different angles Loss of temperature detection: Detects that doors or windows are not closed tightly Timing Start: Prevents minerals in the water from clogging the valve. Package Included: 1 set * (1 temperature control valve, 1 accessory package, 1 instruction manual)