All accessories can be replaced by yourself, you can upgrade stronger accessories by yourself

This is a competition-level model aircraft

The following are large planes

Dimensions are 88cm x 72cm

These are SU-35 RC Airplanes.

1-Small size and light weight design.
Complete the assembled preparatory flight suit.
2-Using super strong EPP special foam material, the aircraft is flexible and resistant to fall.
3-Imitated the classic fighter SU-35, with a compact and domineering appearance.
4-Even if you have never flown a model before, you can fly easily.
5-The powerful motor allows the model to take off easily from the ground.

this one is F22 RC Airplane, which is 3.5 channels, very cool

Remote Control : 2.4Ghz
Battery : 500mAh (replaceable)
Charging Time : less than 1h
Flight Time : 15-20minutes
Control Distance: about 300m (3.5 channels)
Functions : Turn left/right,lift,descend,hover,auto balance

Intelligent gyroscope balance system, more stable flight
Note: the remote controller need 3pcs AA batteries (not included)