Makeblock Smart Camera Add-On Pack P1100022Viewing angle: 65. Resolution: 640x480 px. Effective focal length: 4. 65 5% mm. Effective recognition distance: 0. 25m to 1. 2m. Smart camera can learn to recognize objects with bright colors and recognize the blocks of learned colors, and then return their coordinates, length and width. Can simultaneously detect barcodes, lines and road branches. Switch your smart camera to line, label tracking mode to detect and return coordinate information. Allows