Feature:1. [Quality Material] Made of premium flame-retardant PC and ABS material, more High quality \u0026 safer.2. [3.5-inch Large Display Screen] High-definition VA LCD screen with backlight, easy to operate and read values in low illumination environment.3. [WIFI Function] With WIFI feature, you can control heating devices through your mobile phone, which is much more intelligent and convenient.4. [APP Operation]Capable of working with smart APP or Smart life app.5. [Voice Control] Compatible with Yandex Alice, Amazon Alexa, Home, Smart Things.6. [One-touch Temperature Control] Preset temperatures maintain within 1C.7. [5+1+1 Six Periods Programmable] Maximize comfort and economy.8. [Data Memory Function] Data will be automatically memorized when it powers off so that you don\u0027 t need to worry about data lost when the power is suddenly off.9. [Child Lock] You can set this function by pressing and holding up/down button above 5 seconds to lock/unlock your thermostat to prevent child from misoperation.10. [Saving Cost] With the smart programmable mode, this high-efficiency and energy-saving thermostat can help you effectively save the annual heating cost.11. [Applied Installation] Suitable for installing in a standard single pattress box or European 60mm round box. (NOT included)Specification:This programmable thermostat is capable of setting (5+1+1) six periods per day with different time and temperatures. According to your individual requirement, you can choose "program mode" or "manual mode". With new WIFI feature, you can control heating devices through your mobile phone, which is much more intelligent and convenient.Features:[Quality Material] Made of premium flame-retardant PC and ABS material, more High quality & safer.[3.5-inch Large Display Screen] High-definition VA LCD screen with backlight, easy to operate and read values in low illumination environment.[WIFI Function] With WIFI feature, you can control heating devices through your mobile phone, which is much more intelligent and convenient.[APP Operation]Capable of working with smart APP or Smart life app.[Voice Control] Compatible with Yandex Alice, Amazon Alexa, Home, Smart Things.[One-touch Temperature Control] Preset temperatures maintain within 1C.[5+1+1 Six Periods Programmable] Maximize comfort and economy.[Data Memory Function] Data will be automatically memorized when it powers off so that you don' t need to worry about data lost when the power is suddenly off.[Child Lock] You can set this function by pressing and holding up/down button above 5 seconds to lock/unlock your thermostat to prevent child from misoperation. [Saving Cost] With the smart programmable mode, this high-efficiency and energy-saving thermostat can help you effectively save the annual heating cost.[Applied Installation] Suitable for installing in a standard single pattress box or European 60mm round box. (NOT included)Specifications:Material: PC+ABS (flame retardant)Color: BlackWiFi Function: With / Without(Optional)Power Supply: 95~240V AC, 50~60HzPower Consumption: < 1.5WType: Gas BoilerSensorNTCCurrent Load: 3AAccuracy: 1Resolution: 0.1Timing Error: < 1Working Environment: 0~45, 5~95RHStorage Environment: -5~55Installation Hole Distance: 60mmItem Size: Approx. 8.6*8.6*5cm / 3.39*3.39*1.97inItem Weight: Approx. 160g / 5.64ozPackage Size: Approx. 10*9.7*6cm / 3.94*3.82*2.36inPackage Weight: Approx. 217g / 7.65ozNote:Please read the Users Manual before use.Packing List:1 * Smart Thermostat2 * Screw1 * Users Manual(English)Package List:1 * Smart Thermostat2 * Screw1 * Users Manual(English)