Attributes:Power source:ElectricStatus: RTFSkills Levels: Fresh birdPlay Fields: indoorNumber of Blades: 4Features:Mini size and Fine appearance, striking personality.CNC-cut rotor head features durability and stability.New 2.4G technology with the functions of automatic identification, precise code pairing and strong anti-jamming.The drive offered by twin brushless motors is smooth and powerful, the flight time will be up to 9 to 10 minutes at 3.7V 500mAh LiPo battery pack, depending on your flight mode.Specification:Tail Speed controller:WK-WST-10A-LTMain Speed controller:WK-WST-10A-L2All-up Weight:66g(Battery included)Tail Rotor Diameter:48mmMain Rotor Diameter:202mmOverall Length:216mmTail Motor:WK-WS-10-002Main Motor:WK-WS-12-003Receiver:RX-2406CGyro:Built-inBattery:3.7V 500mAh Li-PoTransmitter:WK-2402Servo:WK-03- 2 weight3.18g;speed 0.12sec/60o(3.0~4.5V);torque 0.12kgf.cm(3.0~4.5V) ; dimension 19.219.7mm Condition: New