Features 1、Driving Module: Designed to have large fan blade with 75mm diameter, the cooler driving module enables quick cooling. 2、Better Control: Supports both clockwise rotation and counter clockwise rotation, the whole operation is very stable. 3、Strong Blowing: Ensuring strong wind, the module can easily blow out the flame of a lighter 20cm away, very reliable. 4、Practical Uses: Compatible with steering gear and wheel, can be used in propeller, robot design and development, etc. 5、Easy to Install: 50 x 26 x 15mm compact size together with a light weight brings more convenience to the installation. Specification Item Type: Fan Drive Module Product Size: Approx. 50 x 26 x 15mm / 1.97 x 1.02 x 0.59in Propeller Diameter: Approx. 75mm / 2.95in Package List 1 x Fan Drive Module 1 x Fan Blade