Features Multiple Working Modes: Offers flexibility with multiple working modes and various wiring methods, including single wire and dual wire options to cater to different needs. External Embedded Installation: Facilitates easy installation with external embedded installation and standard 86 type installation cassette, providing convenience for users. Long Service Life: Ensures durability with a thermostat that can withstand more than 100,000 cycles at 220V and full load, along with a manual switch that lasts for over 60,000 cycles. Stable Performance: Delivers reliable performance with an accurate metal bellows temperature sensing component, complemented by a visually appealing and ergonomically designed exterior. Various Toggle Switches: Offers convenient control with power switch (ON or OFF), mode switch (HEAT or COOL), and FAN wind speed switch (low speed 1, medium speed 2, high speed 3) for versatile temperature regulation. Features: 1、Multiple Working Modes: There are multiple working modes, various wiring methods are available. Optional functions contain single wire (valve stops while the fan not stop) or dual wire (valve stops and the fan stops) 2、External Embedded Installation: Adopt external embedded installation, standard 86 type installation cassette, easy to install 3、Long Service Life: The thermostat is more than 100,000 times at 220V and full load, and the manual switch is more than 60,000 times 4、Stable Performance: Come with beautiful appearance, comfortable hand feeling, and stable performance. The temperature sensing component adopts an accurate metal bellows 5、Various Toggle Switches: The toggle switches are power switch (ON or OFF); mode switch (HEAT or COOL); FAN wind speed switch (low speed 1, medium speed 2, high speed 3) Specification: Item Type: Central Air Conditioning Thermostat Material: ABS Sensor: AC801 A: Inflatable Diaphr, AC801 C: Thermistor Voltage: 110-220V/AC, 50/60Hz Rated Current: 1A Constant Temperature Range: 10~30℃ Temperature Deviation: ≤1℃ at 25℃ Material And Color: Base, Cover and Pull Plate: White ABS plastic, pull switch: Hoary Relative Humidity: between92% (no condensation) Application: Used in commercial and civil buildings. Can control the central air conditioning terminal coil motor and water valve for heating and cooling. The measured temperature is compared with the set temperature by the logic circuit. When the relative temperature difference is greater than 1℃, the fan or electric valve is automatically started, and when the ambient temperature reaches the set temperature, the fan or electric valve is automatically closed. Package List: 1 x Thermostat 2 x Screw 1 x User Manual Note: Environmental Conditions: ‑20℃～55℃ Package List 1 x Thermostat 2 x Screw 1 x User Manual