1、Motorized Zoom: The lens is electric have two high precision motors, including electric zoom and autofocus. And you should be used with the drive PCB. 2、High Definition: 4 megapixel resolution lens has 0‑50mm, 1/7 inch focal length, which can see the thing more clearly. 3、IR Correction: The lens has an IR CUT function, which corrects the problem of color deviation during the day and improves the brightness at night. 4、Solid Housing: The lens is made of premium aluminum alloy housing, which can be used in extreme environments, and better protect the lens. 5、Easy to Use: The action camera lens are very easy and convenient for you to use, which requires no complicated or difficult operation. 1 x 4MP Action Camera Lens Item Type: 4MP Action Camera LensMaterial: Aluminium alloyFocal Length: 5-50mm / 0.2- 2.0inResolution: 4MPAperture: 1: 1.6Phase Size: 1/ 2.7in