Article No. : Z55 (three-channel)/Z51 (two-channel) Color: Gray Packing quantity: 18PCS/12PCS(small foam packaging) Single box weight: 400G Product size: 40*66*13CM Color box size: 43*21*12CM Outer box size: 50*45*64cm Gross net weight: 6/4.8kg Blade diameter: 5.6CM Body battery: 3.7V 600MAH Flight time: About 20 minutes Charging time: about 60 minutes Remote control battery: 3*7 alkaline battery Remote control distance: about 150 meters Function introduction: 1. Using pneumatic profile, good flight taxi 2. Powerful power, so that the model can easily take off from the ground 3. Use foam landing gear wheels 4. Direction (left and right) double motor control. 5. The body is made of Epp foam, which is flexible 6. Folding wings, DIY assembly is easy 7. Dual protection battery, 25 minutes long flight 8.2.4G receiver, built-in gyroscope, easier to operate and easier to use 9. Can add the light strip, cool light, can fly at night, increase the aircraft can play 10. Replaceable battery structure makes the flight experience more enjoyable 11. Three-way structure, steering engine control, control well, can roll flight