Syma X12 Mini Nano 6-Axis Gyro 4 Channel RC Quadcopter (RED) 2.4GHz technology adopted for anti-interference, you can fly more helicopters at the same time and not interfere with other helicopters Very small and sturdy - Product size: 3.03 x 3.03 x 1.06 in - Easy to maneuver in the air in even small spaces. 3D 360 degree rotating functions give flexibility and perfect performance when in the air. Low voltage warning - don't let the battery die on you while flying in mid-air, the voltage warning will notify you when you should fly it back. Easy and great for beginners - easy controls, easy to fly, protection guard to protect from minor crashes.