Description: Made of high quality material with long lifetime and better work efficiency. Provides strong power and high efficiency. Suitable for RC airplane. Provides 14000KV RPM to ensure smooth operation and best reliability. Easy and convenient to install. Specification: Specification: Material: Plastic + Metal RPM: 14000KV Shaft Diameter: 13mm / 0.5inch Stator Length: 11mm / 0.4inch Motor Size: 16x25mm/0.63x0.98inch Ducted Barrel Size: 35x22mm/1.38x0.87inch Cable Length: 7cm / 2.76inch Unload Current: 0.5A Max. Continuous Power: 145W Max. Continuous Current: 20A Package Includes: 1 Piece Brushless Motor Ducted Fan Set