Features: Made of fireproof ABS material, it is solid, , high temperature resistance and good performance, long service life. It can control the central motor of the air conditioning coil and the water valve of the air conditioner for heating and cooling. The logic circuit compares the measured temperature with the set temperature. When the temperature difference is greater than 1°C, the fan or electric valve starts automatically. When the ambient temperature reaches the set temperature, the fan or electric valve is automatically closed. The thermostat is 220V, more than 100,000 times at full load, and the manual control is more than 60,000 times. Built-in installation, easy to install. Many different wiring methods can have multiple modes of operation. Widely used in commercial, industrial and civil buildings, Thermostat Regulator only, other accessories demo in the picture are not included! Specification: Material: ABS Temperature Sensor Element: Metal Capsule Rated Voltage: AC 220V, 50/60Hz Rated Current: 1A Temperature Range: 10 - 30 °C/50 - 86 °F Temperature Range: le; 1 °C at 25 °C Environmental conditions: -20 - 55 °C/-7.6 - 131 °F Relative ability: lt; 92%gt; Optional Styles: A (without switch and indicator)/B (with indicator)/C (with switch on the side)/D (with switch and indicator on the side)Size: app.8.4 x 8.4x3.9cm/3.30x3.30 x 1.53inColor: White Quantity: 1 PcNote: No retail package. Please allow 0-1cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package Included:1 x Thermostat RegulatorFAQs:1. Is there a tracking number for my item? Yes, we ship every order with their tracking number, and you can see the status of the shipment on the corresponding website.2. Is the product the same as the photos? Yes, all photos are real. We took these photos ourselves.3. What size can fit me? We suggest you look at our size suggestion chart below and our product size chart if you have a normal figure. If you have a special figure, please fit in (tell us your height and weight, bust, waist, hip size).4. I am a seller, I would like to buy many pieces of the item, what is the price ? Hi, thank you for your inquiry, if you want to buy large quantity, please send to us, we will give you the best price, thanks!