Adjust the wind speed gear, and switch between high and low speed according to the needs of use, to meet the air volume requirements in different scenarios, such as low-speed silent during sleep, high-speed and strong wind at high temperature. Wide operating temperature range: It can work normally in a wide range of temperatures, and can operate stably whether it is a hot summer or a cold winter Stable power: The coil is matched with a precision gearbox, the power output is stable and strong, the fan runs without jamming, and the cooling and heating are more efficient. Suitable For Air Conditioner Indoor Motor, YYS13-4, Fan, Wind Wheel, Mechanical Gear, Speed Regulation, Weight: 0.110231131 pounds, Manufacturer: GENTERUN