Specification Brand EachineItem E250Product size Rotor diameter 455mmBody length 485mmHeight 155mmRadio Frequency Band 2 4GHzRemote control distance m More than 300 metersBattery Body LI POLY 11 1V 1800MAH 30CCharging time about 90 minutesUse time about 12 minutesFunction Description 1 It is scaled down according to the 32 1 ratio of Boeing s AH 64 Apache helicopter with high simulation appearance details cool lights and shock absorbing landing gear 2 It adopts a flybarless design dual axis co drive motor and electronic stabilization system which makes the feel more precise the flight more stable and the optimized structure reduces the chance of damage 3 The propeller is designed based on the aerodynamic principle to provide strong power and self stability of the fuselage It is efficient power saving and has a long flight time The blades are made of nylon carbon fiber composite materials which are high in strength good in toughness impact resistant non deformable and durables 4 It uses 4306 540KV brushless motor for self stabilization and co drive to reduce gear agitation with low noise high torque sufficient power and high efficiency The special high temperature resistant magnetic steel can withstand 150 degrees high temperature without damage which increases the service life 5 The tail lock motor uses a special 1206 5500KV brushless motor which is high temperature resistant fast in response speed stable tail lock and not easy to da