Features: 1. 4-channel scale model with multistage electricity. 2. Suitable for flight in air, water and on land. 3. Basic and 3D actions available. 4. Highly efficient brushless motor and Li-polymer power battery used. 5. Mix controller for aileron and elevator. 6. 3 x 9g servos. Packing Details: Each set in a color box, 2 sets in a carton Product size: 67.8*45. 0*17.0 cm Carton size: 76.5*35. 5*49.5 cm Weight: G. W.: 8.5kgs; N. W.: 6.50kgs.