A Fisheye lens is an ultra-wide-angle CCTV lens that is a full 180 to 360-degree Panoramic view: can be dewarped for proper viewing. Fisheye Cameras are often used in a variety of locations including: offices, libraries, retail stores, hospitals, warehouses, hotels, airports, traffic intersections, hallways, parking lots, manufacturing sites, and gas stations. 1/1.8″ CMOS, [email protected] 25FPS, 1.27mm, IR 49ft (15m), DWDR, H.265, and video content analytics (VCA) for Fisheye security camera. Features: Intrusion Detection, Line Crossing, Built-in Mic & Speaker, Audio/Alarm. Heat Map, Surveillance Storage: Micro SD Card, also known as a TF Card (Trans Flash) up to 128GB. UL Listed professional surveillance product.