The palm-sized 4-channel RC helicopter with a 6-axis gyroscope, aileronless design, and altitude hold achieves great flight stability. The anti-inference 2.4 frequency allows several aircraft can fly simultaneously in the same space. It would bring a great flying experience. It helps to highlight the location of the RC helicopter and gives protection for the landing gear. Specifications: Item name: RC Helicopter Item No.: C129 Color: Blue/orange optional Main material: Plastics Fuselage length: 268mm Fuselage height: 80mm Propeller length: 249mm Channel: 4 Operation Frequency: 2.4Ghz Max control distance: 100m Helicopter battery: 3.7V 300mAh Lithium Battery Max. flying time: 15min Charging time: about 60mins Age: 14' Package Information: Package size: 30.5 * 25 * 9cm Package weight: 671g General box packing. Note: * There could be a few deviations due to manual measurement or slight color difference owing to photographing condition. Thank you for your understanding. Packing List: 1 * RC Helicopter 1 * Remote Controller 3 * Helicopter Battery 1 * USB Cable 2 * Spare Blades 1 * Tail Blade 1 * Screwdriver 2 * User Manual 1 * Hex Wrench 2 * Linkage Rod