This is a durable, safe and reliable water heating thermostat that is easy to install and program. Exquisite appearance, simple and super thin design, very fashionable. It will provide uniform and comfortable temperature control throughout every room in your property. Also it conveniently fits in with your lifestyle and provides you an energy-saving and comfortable living environment. It can be used in industry, commerce, hospital, hotel, civil buildings and villas for heating control. Features: High quality thermostat to control water heating system, a great temperature controller with touch button for simple operation. The LCD display screen with backlight which can display data clearly, easy to read data even in the dark. Weekly programmable and 5+1+1 six periods programmable to maximize comfort and economy, very flexible. Supports app operation, easier for scheduling programs, setting functions, and checking current states by the app. And support voice control when your hands are not free. Perfectly compatible with most of voice control equipment on the martet. (voice control equipment is not included.) Weather, UV index, and humidity etc. will show in the LCD display screen. Press and hold the buttons for 5s to lock/ unlock the thermostat. 0.5°C accuracy keeps temperature within the level you set. Data memory function when power is off. The thermostat provides six scheduled heating periods each day to meet your needs. Acrylic lenses to protect the LCD screen from collision and avoid the finger scratch. Heating control to give you a warm environment and provide you comfortable living environment. Made of fireproof material, safe and reliable for daily use. Sleek and contemporary design, super thin and exquisite appearance, it fits your modern house perfectly. It can be used in industry, commerce, hotel, civil buildings and villas for heating control. Specifications: Color: White, Black, Grey(Optional) Type: water heating, boiler heating, electric heating(Optional) Power supply: 95 ~ 240 VAC, 50 ~ 60HZ Current load: 3A(water heating, boiler heating), 16A(electric heating) Sensor: NTC3950, 10K Accuracy: ±0.5 Set temp. range: 5-35 Room temp. range: 5 ~ 99 Display temp. range: 5 ~ 99 Ambient temperature: 0 ~ 45 Ambient humidity: 5 ~ 95% RH (Non condensing) Storage temperature: -5 ~ 45 Power consumption: <1.5W Timing error: <1% Shell material: PC+ABS(Fireproof) Installation box: 86 * 86mm square or European 60mm round box (not included) Wire terminals: wire 2 x 1.5mm2 or 1 x 2.5mm2 Protection Class: IP20 Buttons: Capacitive Touch Buttons Item size: approx. 130 * 90 * 41mm Item weight: 134g / 4.73oz Package weight: 204g / 7.20oz Package size: 140 * 100 * 45mm Package List: 1 * Thermostat 2 * Screws 1 * User Manual(English)