and MT01 series of thermostats are usually used on the commercial, industrial and civil buildings,which can control the fanl of air-conditioning, water forand wind valveect.It can make the temperature balance in the settingin the location, and all switches are manual . Very simple to manipulate. A variety of different wiring methods can have a variety of working modes. External embedded installation, standard 86 type installation , easy installation. Package includes: 1x Mechanical Thermostat