"4-inch 15x 4 MP DarkFighter IP IR technology mobile dome. 1/2.8"" Progressive Scan CMOS. High-quality images with 4MP resolution. Excellent low-light performance thanks to DarkFighter technology. 15x optical zoom and 16x digital zoom provide close-up views of enlarged areas. WDR, HLC, BLC, 3D DNR, Anti-fog, Regional Exposure, Regional Focus Expansive night view with up to 100m IR distance Supports H.265+/H.265 video compression Dimensions 164.5 x 290mm"