http://www.yuetsz.com/fcu-thermostat/wifi-fcu-thermosat/ Production Introduction: 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 valve. to realize adjust temperature and saving energy purpose. ME88F-WF 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 time periods time programming, timing switch, etc. Package includes: 1 Pc x Smart Thermostat 1 Pc x User Manual Production Parameter: Voltage: 85-250V AC ,50/60Hz Power consumption: Room Temperature range: 0-99鈩?/p> Sensor: built-in sensor Fan Speed: High, middle, low, auto Mode: 2 pipes/4 pipes Product details:China WiFi FCU Thermosat manufacturers website:http://www.yuetsz.com/fcu-thermostat/wifi-fcu-thermosat/