GoolRC Walkera V450D03 6CH 450 RC FBL Helicopter Without Transmitter BNF (Walkera Helicopter,Walkera V450D03,450 Helicopter) The separation design of Intergrated plastic main frame and skid landing makes it easy to disassemble and maintain. Flybarless structure: Adopting new flybarless system ,features fast response and great efficiency improvement. Brushless motor :High-performance brushless motor provides more powerful and durable flight. Lipo battery :The 11.1V 2600mAh high-capacity lipo battery can provides about 8 minutes flight after fully charged. 40A ESC: Independent WK-WST-40A-2, has better heat radiationeas and easy to maintain.