Specifications: rc UFO Item.No.: eu-QRSP Product name: QR Spacewalker Newest Eight Blades Remote Control UFO with 6-Axis Gyro Main Rotor Dia.: 55.8mm Standard transmitter: 2402D Gyro: Six-Axis Overall Length: 242mm Optional transmitter: DEVO-6/7/8S/10/12S Drive Motor: 0720RN Overall Width: 242mm All-up Weight: 70g(Battery included) Battery: 3.7V 600mAh Li-Po Receiver: RX2640H-D Features: 1.Adopting octocopter-motors driving system, stable flight, and can easily do the front and back, left and right rolls. 2.The usage of 6-Axis gyro and Integration design of the flight status control,ensures the precise location of the flight performance. 3.Modularized design features convenient maintenance at low cost. 4.Flight time will be up to 8 to 9 minutes on a 3.7V 600mAh LiPo.