Eachine F4U 2 4G 4CH Brushless 500mm Wingspan 6 axis Gyro One Key Take off Aerobatic EPP Warbird Glider RC Airplane BNF RTF for BeginnerSpecification Brand EachineMdeol Brushless F4U Version BNF RTF optional Remote Control Mode 2 4G 4CHGyro 6 axis GyroProduct Material EPP FoamWingspan 500mmLength 400mmBattery 7 4V 400MAH 20C LI POLYCharging Time 2 3 hoursUsage Time About 10 minutesRemote Control Battery AA 4 not included Remote Control Distance About 300mFor Age 14 Package Size 47 5 x 41 x 12 5cmFeature 1 Use high strength EPP foam and reinforce it with carbon fiber to make the product performance and quality better and more stable 2 Use 1806 1900KV brushless motor for stronger power 3 Use 6 axis gyroscope It has a stable fast and accurate flight attitude especially suitable for beginners 4 Adopting 2 4GHz communication protocol multiple aircraft can be played at the same time 5 One Key roll function novices can also make cool moves 6 One Key return function after setting it according to the instructions you can use this button to make the aircraft fly back when you can t see the aircraft clearly 7 One Key take off after setting it according to the instructions you only need to push the throttle the aircraft can automatically climb and after flying into the sky switch the remote control stick to manual operation 8 With Sbus dxm port also equipped with over distance and low power alarm novices and veterans can fly happily 9 Professiona