Features: brand new and high quality MT01 series of thermostats are usually used on the commercial, industrial and civil buildings,which can control the fan coi l of air-conditioning, water valve and wind valveect.It can make the temperature balance in the setting range in the location, and all switches are manual switch. Very simple to manipulate. A variety of different wiring methods can have a variety of working modes. External embedded installation, standard 86 type installation cassette, easy installation. Temperature sensing element: the use of precision metal bellows. Service life: The thermostat contact is more than 100,000 times at 220V and full load, and the manual operation switch is more than 60,000 times. Package Includes: 1x Mechanical Thermostat Specifications: Sensor: AC801 A: Inflatable Diaphragm, AC801 C: Thermistor Rated Voltage: 220VAC, 5060Hz Rated Current: 1A Constant Temperature Range: 1030 Temperature Deviation: 1 at 25 Environmental Conditions: -2055 Material:Plastic Relative Humidity: <92% (no condensation) Size:12.8x8.6x2.6cm/5.04x3.39x1.02in note: Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.