Features: 1. Universal fixed focus lens can objectively record and reflect the subject's movement speed and rhythm changes, which is perfect for home surveillance system. 2. 5MP lens provides high-definition and clearer video and pictures even in low light environments. 3. Board fisheye lens has a wide viewing angle of 170°, which creates conditions for close-up monitoring of a wide range of scenes. 4. Standard M12 thread, quick and firm connection. 5. Easy installation and remove without affecting the installation and use of other accessories. 6. Superior ABS material lens can apply to most models that can match. Specification: Condition: 100% Brand New Model: CW-BL1820-5MP-Silver Rings Material: ABS Color: Black Focal-Length: 1.8mm Relative Aperture: F 2.0 Mount: M12 Image format: 1/3 Field: 170 Dimension: 24x18.6mm/1x0.7in Pixel: 5MP Application: Camera replacement parts Package List: 1 * Lens 1、Universal fixed focus lens can objectively record and reflect the subject's movement speed and rhythm changes, which is perfect for home surveillance system. 2、5MP lens provides high-definition and clearer video and pictures even in low light environments. 3、Board fisheye lens has a wide viewing angle of 170°, which creates conditions for close-up monitoring of a wide range of scenes. 4、Standard M12 thread, quick and firm connection. 5、Easy installation and remove without affecting the installation and use of other accessories.