Specification Brand XKModel A310Material EPPChannels 4CHRadio System 2 4GHzWingspan 40 cmLength 40 5 cmHeight 18 1 cmWeight 180g with battery Motor 1504 BrushlessBattery 7 4V 500mAh 20C LiPoFlight Time 5 6 minutesCharging Time 90 minutesControl Distance 150 metersTransmitter Battery 6 AA not included Age Recommendation 14 FunctionFeature 1 Made of EPP engineering materials this is a highly realistic simulation of the WWII Christen Eagle II biplane 2 Powerful 1504 brushless motor with a strong magnetic field 2g high precision digital servo for rapid response and quick lock on 3 Remote control uses independent potentiometers for more precise and comfortable handling 4 The aircraft features a 6 axis gyroscope attitude lock and 3D 6G mode switching suitable for various flight scenarios In flight mode switching includes both beginner and aerobatic modes The fan blades motor and wings are detachable for easy replacement 5 The aircraft has multiple flight modes 1 Outdoor 6G Level Flight Mode The aircraft defaults to 6G self stabilization mode upon takeoff with gyroscope self stabilization and heading lock ideal for beginners practicing fixed wing flight 2 Outdoor Aerobatic Mode After the aircraft is in level flight a button switch allows switching to 3D or advanced mode 3D lock on mode Both modes allow for easy execution of aerobatic maneuvers such as loops and death spirals 6 The landing gear is mounted in front and rear rubber slots a