English manual book(Don't rely on manual book, BECAUSE sometimes the book is wrong and outdated). Metal Parts coming with the tank.
Metal return rollers(if the real tank has). 1, Infrared combating system supports many players to combat in a tank war. 2, Metal tracks, sprocket wheels, idler wheels.
3, Full metal road wheels. Better springs supporting heavier weight. 4, Full metal gearboxes, steel gears, better wear-resisting property. 5, Scale appearance of real tank.6, 7.0 mainboard provides two kinds of sound for choice. 7, Each action acts with mimic real tank mechanical sound. 8, Like real tank firing, shooting 6mm BB pellets with COOL hull-recoil action and firing sound effect, and 20m shooting range. 9, 360 degrees limitless turret rotation. 10, Control barrel up and down almost 30 degrees. 11, Emulational tank lights of LED. 13,2.4Ghz radio control system, it supports many similar tanks combating together without radio intervening. Some of henglong tanks are available for adding better driving gearbox, better more realistic barrel recoil function, muzzle flash and laser function, infrared combating function, FPV(first person view) wifi combating function, better batteries and so on.
If you require these functions, please contact me. Some tanks could be upgraded to be full metal chassis and hull. Please don't open a dispute or return request if your products got any problems.