This is the optical flow sensor board that is based on the optical effect of mouse sensor that allows you hover with your multi-rotor platform at low altitudes (like indoor environment) without the need for GPS. This device also has more advanced features concerning odometry and obstacle avoidance.

Standard4.2mm IR MeGa lens

High speed motion detection

ADNS-3080 optical sensor

Up to 6400 fps update rate

30 x 30 pixel resolution