Hobby-Ace Flip32 10DOF Flight Controller for FPV Racing Multicopter QAV250 etc Flexible motor outputs, support various airframe types. Designed for use with small indoor or small to mid-sized outdoor multirotor crafts, or as a standalone camera stabilizer. Compatible with Naze32 firmware,including baseflight and cleanflight. With smaller Dimensions of 36mm*36mm and lighter weight of 5.3g.with barometer and compass,and space reserved for barometer and accelermeter. More filght controller 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