Lisher Model: CW-BL1218-5MP. Pixel (MP): 5MP. length: 12 mm Relative aperture (aperture D/f'): F2.0. Interface (): 12 x 0.5 Field of View (Field): 32 Dimensions: 14 x 18.8 cm. Optical rear length (mm): 11.58 Mechanical rear distance: 7.58 mm. Type: fixed focus lens. Lens structure: 6 glasses Filter diameter: 12 mm Maximum aperture: 2.0 Minimum opening: 2.0 Wide angle: 32 angle: 32 (degrees). Lens Volume: 0.05 length range (f-f): 12 mm Color: Black Material: metal. Size: 20 x 20 x 30 mm Package contents: 1 x CCTV LENS. Only the above package, other products are not included. Note: different lighting and different screens may cause the colour of the item to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm.