Description: Power Supply: 3×1.5V 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(H×W×D): 95.5×58.4×58.4mm 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 control】：Connect 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 control】：In addition to control the product from your phone or manually, you can also control through Amazon Alexa and Assistant via voice control, freeing your hands and making your life more convenient. 3.【Programmable Function】：You 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 Function】：The 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】 ①Child Lock: Prevent children from changing settings； ②Rotatable screen: allows you to read it from different angles； ③Loss of temperature detection: Detects that doors or windows are not closed tightly； ④Timing Start: Prevents minerals in the water from clogging the valve. Package Included: 1 set * (1 temperature control valve, 1 accessory package, 1 instruction manual)