Features: USB Interface Camera, supports for 3 Model B. No Drivers Required. Lens Length: F6.0MM Focus Range: 20mm(Minimum) Video Resolution: 640 * 480 Line Length: 75.5cm / 29.7inch Specification:Color: BlackLens Length: F6.0MMFocus Range: 20mm(Minimum)Video Resolution: 640 * 480Camera Size: 4 x 3.1 x 2.5cm / 1.57 x 1.22 x 0.98inchLine Length: 75.5cm / 29.7inchPackage Weight: 30gQuantity: 1pcInformation:1.Focusing controlOn a computer using a USB camera, focusing in to the best display effect2.Shoot videoShoot video:sudo apt-get updatesudo apt-get install ffmpegavconv -f video4linux2 -r 7 -s 640x480 -i /dev/video0 video0.aviplay video:omxplayer -o video0.avi3.Take a pictureInstall the software:sudo apt-get install fswebcamCapture images:fswebcam -r 640x480 image.jpgPackage included:1 x USB Camera for 3 Model BNote:1. Please allow 1-3cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.