Description: Power Supply: 3×1 alkaline AA batteries Temp Setting Accuracy: 0℃ Ambient Temp.: 0℃~50℃ Operation Temp. Range: 5℃~35℃ Shipping & Storage Temp.: -10℃~60℃ Dimensions(H×W×D): 95×58×58 Display: Knob control, OLED exhibit Frequency: 2 Protection Level: IP20 Compatible with: 6 kinds of adapter equipment available(Danfoss RA&RAV&RAVL, Caleffi, Giacomini, M28 valves) Certification: CE, ROHS, certification Radio protocol: Wi-Fi Specifications: 1.【Tuya Smart APP WIFI remote control】:Connect this product to the Tuya/smart lifestyles app. You can management the temperature of your house anytime and anywhere, for you to enjoy the most completely happy temperature once you get home. 2.【Alexe/ Voice control】:In addition to manage the product out of your cellphone or manually, you also can control via Amazon Alexa and Assistant via voice control, releasing your hands and making your existence more convenient. 3.【Programmable Function】:You can set assorted programming modes for every day of the week in line together with your schedule. There are 4 time durations in step with day for you to set allow you to save extra energy. 4.【Data Logging Function】:The Tuya Smart APP will checklist the valve opening degrees and the temperature of the room, allowing you to appreciate the working status of the product extra intuitively. 5.【Various Adapters 】:6 assorted adapters are integrated in the package, you would not have to worry about this product not matching your device. 6.【More considerate features】 ①Child Lock: Prevent children from replacing settings; ②Rotatable screen: allows you to read it from diversified angles; ③Loss of temperature detection: Detects that doorways or home windows will not be closed tightly; ④Timing Start: Prevents minerals within the water from clogging the valve. Package Included: 1 * Radiator Thermostat 1 * Bag of Accessory 1 * User Manual (No batteries)