1.Wide Angel Camera lens
2.Wide-angle, waterproof, shockproof,
3.high temperture/ humidity resistance.
4.good quality

Model :YT-5027 camera lensFocal Length:2.1mm    Aperture f/n:2.0    Field of View:170° Sensor Chip Size:OV7949N      Front Dimension & Housing Length: Φ17.00X13.76  Flange Back Length:5.13mm  Total Length:18.88mm   Mount:M12*P0.5      Construction: 6E  Distortion:<-83%