We are Guangzhou Walkera Technology Co.Ltd based in Guangzhou, China. We are member of TradeKey.com since December, 2013. Our business is related to Toys industry and we specifically deal in helicopter. Please find our product details below: six channel helicopter 1).Main Rotor Diameter: 462mm 2).Tail Rotor Diameter: 113 mm 3).Overall Length: 440mm 4).All-up Weight: 420g (Battery included) 5).Battery: 11.1V 1000mAh Li-Po 6).Moril Motor: 380PF 7).Tail Motor: ... GPS helicopter - G400 1. Support 3 flight mode: (1). Manual mode: for basic flight and 3D flight ; (2). GPS mode: for position hold and hovering; (3). One key go home mode: 2. Failsafe to return home; the helicpoter... Thank you for taking time to go through our business profile. If there are any questions, inquiries or comments, please feel free to contact us.