Room Mechanical Temperature Controller Thermostat Switch For Central Air Conditioning New Description: Our thermostat is made of high-quality plastic material, environmental-friendly, safe, durable e. It is very easy to control the system with the ON/OFF switch on the left side of  thermostat and also very convenient to control the temperature by the 10℃~30℃ temperature switch. It is also very easy to install with 2 screws. So it is perfect for using to control the central air-condition in hot, restaurant, supermarket or home etc. Features: Made of high-quality plastic material, environmental-friendly, safe, durable e. Convenient to control the system with ON/OFF switch on the left side of thermostat, and easy to adjust the temperature with 10℃~30℃ temperature switch. Easy to install, and 2 screws are included. No need any special installed tools, but please cut off the power source before installing. Suitable for using to control the central air-condition in hotel, restaurant, supermarket or home,  the operating principle is to control the ON/OFF of valve and fan in the fan coil. Specifications: Condition: Shell Material: Plastic Color: White Adjustable Temperature: 10℃~30℃ Max Load Current: 6A Size(Lx H x T): Approx. 8.4 x 8.4 x 3.8cm / 3.3 x 3.3 x 1.5inch Package Weight: Approx. 151g Package Included: 1 x Mechanical Thermostat 2 x Screws Please Note: 1. Please allow 1-3cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.