i3 's Ax83C megapixel IP box camera features 8MP video resolution and a built-in auto back focus (ABF) for easy focus adjustment and the perfect view. Perfect for the specialty and long range shots, Ax83C is compatible with 2.8-8.5mm (L5, 5MP) and 3.9-10mm (L6, 8MP/4K) lenses (sold separately) to meet the customers' field of view requirements. Corridor view is available for users that would like to view a hallway or a single store aisle. For the installations requiring edge recording redundancy, Ax83C camera supports microSD card (sold separately). For outstanding quality audio recording, combine with i3 's Mo-1 line level microphone (sold separately). For outdoor or extreme cold installations, combine with D-i3-6800HB, i3-6801HB, or i3-6801HBR (with IR) housing. This camera is backed by i3 's superior 5-year limited warranty.