1, 1.1,100~150m2 power consumption environmental air cooling per hour; 2, LCD 1 or 12 speed variable frequency speed regulation, overvoltage/undervoltage protection, phase failure protection, water protection automatic/manual cleaning, automatic switching function; 3, copper, cast iron core motor shell, weight ratio, up and running stable and reliable; 4, 3 piece nylon blades suitable for low noise noise requirements than place, nine nylon wind, wind, wind pressure, direct air 20-25 meters, pipeline Wind 25-30 m;