Hobby-Ace 3DR Micro OSD and Connection Cable Wire for APM2.8 Flight Controller In the retention of the original Mini OSD all function was improved, the circuit design and optimization,small and ultra light weight, only 6 grams. Compatible with APM2.8 flight controller More 3DR Micro OSD 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.