Hobby-Ace Minim OSD Flight Controller works with Spektrum Orange satalites It's main components are an ATmega 328P 8 bit microcontroller with an Arduino bootloader, and a MAX7456 monochrome on-screen display Perfect alternative for CC3D and Naze32 flight controller in QAV250 quadcopter etc Minim OSD v1.1 Arduino APM 2.5 and 2.6 compatible More flight control 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.