Description: The fan coil thermostat is suitable for controlling central air conditioning and fan coil unit.By comparing the indoor temperature and setting temperature, to adjust fan coil unit and turn on/off electric for valve. to realize adjust temperature and saving energy purpose. HY08AC adopts microcomputer control technology, large-screen display, and have following display status: working stae(cooling,heating,ventilation), fan speed(high,medium,low,automatic), indoor temperature, setting temperature, clock, 7days and 4 for time periods for time programming, timing switch, etc. Features: Remote Control and Voice Control: Connect the thermostat remotely via a Wi-Fi connection to control the temperature of your home from your for smart phone; for Amazon Alexa and Google Assistant IFTTT for voice control to free your hands. WiFi control thermostat by smartphone from anywhere in the world, app is compatible for both Andriod and IOS system ( app has 6 countries' language, English, Russian, Spanish, Italian, French, German, ) It has LCD large-screen display, through the NTC temperature sensor, detects the indoor temperature and compares it with the user set temperature in real for time to achieve individualized requirements. Automatically adjust the intake air volume of the air conditioner and open or close the electric for valve of the pipeline to maintain the indoor constant temperature. The panel design is simple and clear, and the functions of the buttons are complete. Controllable equipment: three-speed fan, three-wire and two-wire electric for valve, solenoid for valve, auxiliary electric heating/cooling, etc. Specification: Voltage: AC200~240V Current: 3A (Max 5A) Accuracy: 0.5C Output:On/off type IP" IP20 Display temperature range : 0~70C Accuracy: 0.5C Setting range: 5C - 35C Sensor: NTC(10k)1% work environment:-10~60C Size86 * 86mm Mounted :in the wall type Type: for Smart Thermostat Material: ABS Applications: Fan coil, electric for valve, electric damper, electric air outlet and heating equipment Features: Temperature control, LCD display, multi-function, simple operation, full-featured, remote control of mobile phone Package size: app.10x10x6cm/3.94x3.94x2.36in Color: Black Quantity: 1 Pc Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Pc x for Smart Thermostat 1 Pc x User Manual