Hobby-Ace F500 MWC X-Mode Alien Multicopter Quadcopter Frame Kit (Red and Black) Diagonal motor to motor length is 480mm and light weight 479g only. Made of Glass fiber + ABS Plastic,extremely durable yet lightweight for FPV racer. With PCB parallel plate, convenient for connecting other electronic device. More FPV racer quadcopter product is provided by us in Amazon.Bring your eyes into the sky and racing like a free bird, enjoy the ultimate first person view experience.