Use aircraft model level EPP foam, lightweight and flexible, resistant to collisions! (EPP foam is a granular material that may rupture when it is folded or pulled by force. Please do not use it violently!) With 9 colorful LED lights, the flashing light is delayed for 1 minute. (After the aircraft is installed, use the complimentary tape strip to secure the light strip to the leading edge of the wing or below the wing.) The aircraft has a bare weight of 20g and excellent flight performance. Size: wingspan 36cm, body length 33cm Color box packaging weight: 100g Charging interface: USB Charging time: 30 minutes Two gear adjustment The first flight is 10-20 seconds, and the second flight is 20-60 seconds. Charging for 30 minutes, the number of times you can fly: 80 (in first gear mode) The elevator is adjusted in two steps, the lower gear is level flight, and the upper gear is reverse flight. How to play: Use the USB interface to charge, fully charged and can fly 80 times (first gear mode). This product is a free-flying model. Before flying, you can adjust the flight mode to circle or direct flight. Tap the switch and use the first gear mode to fly for 10-20 seconds. Press and hold the switch to use the second gear mode to fly for 20-60 seconds. The better the airplane is adjusted, the longer it will fly!