It can be applied for picture recognition and picture tracking. Featured with cost-effective. 
 

Specification:
Shot: 1/4   5M 
Aperture: 2.9 
Focal length: 3.29 
FOV: 65 degree
Sensor type: OmniVision OV5647 Color CMOS QSXGA (5-megapixel)
Sensor size: 3.67 x 2.74 mm (1/4" format)
Pixel Count: 2592 x 1944
Pixel Size: 1.4 x 1.4 um
Lens: f=3.6 mm, f/2.9
Angle of View: 54 x 41 degrees
Field of View: 2.0 x 1.33 m at 2 m
Full-frame SLR lens equivalent: 35 mm
Fixed Focus: 1 m to infinity
Video: 1080p at 30 fps with codec H.264 (AVC)
Up to 90 fps Video at VGA
Board size: 25 x 24 mm (not including flex cable)
Material: ABS
Package size: 10.8 * 5.1 * 2.2cm / 4.25 * 2.01 * 0.87in(L * W * H)
Package weight: 11g / 0.39oz
 

Package list:
1 * 5MP Camera
1 * 15cm Camera Cable
 

Note: The package without user manual.