Specifications Brand RC ERAItem C184Material PA PCRotor diameter 256mmBody length 239mmHeight 93mmFlight weights 99gFlight time Approx 12minCharging time Approx 60minRemote control method 2 4G remote controlRemote control range 80 100mHelicopter Battery 7 4V batteries included Remote Control Battery 4 1 5AA not included Package Dimensions 310 240 86mmPackage Weight 650g Features 1 Adopting an unbalanced bar design and equipped with a six axis electronic gyroscope to enhance flight stability Simultaneously equipped with a barometer for altitude and optical flow positioning ensuring more stable flight and easier control 2 The appearance is scaled down based on a real helicopter making it not only a fully functional flight model but also an exquisite display item 3 The flight time can reach about 12 minutes and the battery life is long 4 Resistance to impact Function 1 Unbalanced bar design utilizing aerodynamic principles the rotor provides strong power and enhances the self stability of the aircraft The concise four channel design combined with a six axis gyroscope ensures ultra stable flight 2 Optical flow positioning and altitude maintenance equipped with optical flow sensors and barometers to achieve stable flight 3 Modular battery equipped with an intelligent power management system and a power indicator Easy and fast installation effectively protecting the battery and extending its lifespan 4 Multi directional flight and stunt flight