【Unique Infrared Battle Drone】: The A21 drone is designed for competition with all new infrared emission module and 360°sensing infrared module. You can compete against your friends to see who can force another drone to land. [Note: you need two A21 for Battle] 【Easy for Everyone】: Just insert the battery and press the calibration key, it's ready to go. With One Key Fly and Altitude Hold, even beginner can fly this kids drone within few minutes and get stable. Headless Mode can offer the most easy control. 【Dazzling Stunts】: 2 color LED lights with 360° flip function, you are able to design your own dazzling flight tricks - even in the dark! This mini drone is capable to adjust 3 speeds, you can challenge your skills as you become a better pilot. 【Safety and Durable】: Equipped with upgraded all-round protection guards. Durable and more resistant to clashing and avoid any spin hurt from propeller. Emergency Stop function can avoid the drone from losting. Small size remote control is easy to hold. 【Handy and Endure】: Package comes with 2 drone batteries which provide about 14 mins of flight time before recharge. The compact designed drone body of A21 can easily put in your pocket and carry it anywhere. Wonderful toys for the first time player.