Details[Advanced Propeller Saver] - Our RC airplanes come with the newest propeller saver technology that protects from damage.[Double Flight Time] - Using the included 2 rechargeable airplanes allows players to have more time for fun. the modular design help charging safer and quicker. No more endurance anxiety.[Easy for Kids Adults Beginners] - Along with One-Key Take-Off/landing, Altitude Hold, 3-speed mode,V17 can take off and hover at a certain height, the Headless Mode will prevent the nov