High-quality industrial optical glass, multi-layer coating technology, high precision, large aperture, large amount of incoming light, clear and realistic images, high light transmittance, clear image quality, three times the effect of ordinary cameras. The 5MP lens can provide high-definition and clearer videos and pictures even in low-light environments, with good color reproduction, less noise and less distortion. The 185° wide-angle lens creates conditions for close-up monitoring of a wide range of scenes, and will not miss every monitoring corner. The universal fixed-focus lens can objectively record and reflect the movement speed and rhythm changes of the subject, which is very suitable for monitoring babies, pets, etc. Standard M12 thread, fast and firm connection. It is easy to install and disassemble, and does not affect the installation and use of other accessories. Lenses work with most compatible models. Product Name: Fisheye Panoramic Lens Model: CW-BL1720-5MP Pixel: 5MP Focal length: 1.7mm Relative aperture: F1: 2.0 Interface: m12*0.5 Image size: 1/2.5 Field of view: 185° Dimensions: ￠20*19 Optical Back Focal Length BFL(mm): 4.8 Operation: Zoom: Fixed, Focus: Manual, Iris: Fixed Working temperature: -20℃~+80℃ Colour: black Material: metal Package Contents: 1 * Camera Lens