Feature
Vernier adjustment knob.
Double protection.
Flash light.
Indoor flight.
3D full function.
Built-in GYRO
Speculation
Product Feature: Up/down, Turn left/ right,forward/backward
Battery: 3.7V 100Mah Li-poly
Charging time: About 40-50 mimutes (USB charging)
Flying time: About 5--8 minutes
Controlling distance: About 10-15meters
Battery for controller: 6"AA"batteries(not include)
Test report: CE ROHS FCC ASTM