:: Specifications :: ★. Rotor Diameter: 450 mm/17.7in ★. Length: 410mm/16.1in ★. Height: 350mm/10in ★. Weight: 350g/12.3 oz(Battery not included)  :: Features :: ★. Optimal helicopter for the beginner ★. Coaxial counter-rotating structure ★. Easy control and stable flight ★. 4CH Transmitter ★. Flying condition: outdoor&indoor ★. Flying time: 10mins | 
