This thermostat is made of quality material, durable and safe to use. It is easy to install and convenient to use. Wifi programmable, allows you to control the thermostat while away from the house with mobile device. Large LCD touch screen is easy to operate and clearly displays temperature, etc. Features: This digital thermostat adopts flame retardant PC material, more reliable, safe and durable to use. It uses high reliability single chip which has excellent performance and strong anti-interference ability. Wifi programmable, allows you to control the thermostat while away from the house with mobile phone. Large LCD touch screen with blue backlight display, easy to operate and read the temperature, date, time, etc. You can also use the button on the thermostat to set different working modes. Room temperature automatically calibration function and anti-freezing function. Can control motorized ball valve, motorized valve, thermal valve, solenoid valve, heater, etc. Specification: Condition: 100% Brand New Material: Plastic Color: Black Voltage: 90-240VAC 50/60Hz Accuracy: ±0.5℃ Output: Switch Relay Contact capacity: 3A/250V (WW) Temperature Display Range: 0-40°C Working Temperature: 0-90°C Temperature Setup Range: 5℃- 35℃ Sensor: NTC（10K）1% Size: approx. 8.6*8.6*4cm/3.39*3.39*1.57in Weight: approx. 217g/7.65oz Package List: 1 * Thermostat 1 * Manual User Note: 1. Please allow 1-3cm error due to manual measurement, thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object, please take the real one as standard. 1、This digital thermostat adopts flame retardant PC material, more reliable, safe and durable to use 2、It uses high reliability single chip which has excellent performance and strong anti-interference ability 3、Wifi programmable, allows you to control the thermostat while away from the house with mobile phone 4、Large LCD touch screen with blue backlight display, easy to operate and read the temperature, date, time, etc 5、You can also use the button on the thermostat to set different working modes