UDI U818A Is One of The Best Low-Priced Quadcopter In The Market Today. It Comes From Well Reputed, Popular & one of The Industry Topper Brand Known As The “UDI”. This Quad Has All The Features You Expect In a High-Quality Model Such As Axis Gyro, FPV Video Camera, Modular Design, four Channel Function, Powerful Motors & Many More. The Remote Distance Is Up To 30 Meters. Overall, This Is One of The Good-Looking Model That Can Provides Exceptional Value For Your Investment.