H.265+/H.265/H.264+/H.264/MJPEG coding Max.resolution: 8MP ( 3840 × 2160 ) ICR auto switch, true day / night vision 3D DNR, true WDR, HLC, BLC and ROI coding 20~30m IR night view distance 1CH audio input; 1CH built-in MIC Built-in micro SD card slot, up to 256GB DC12V/PoE power supply Support three streams IP 67 Support mobile surveillance by smart phones with iOS and Android OS Intelligent analytics – Housing: Turret – Resolution: 4K / 8MP – Lens Category: 2.8mm Fixed – Night Vision: Infrared / IR – WDR: True WDR – Water Resistance Rating : IP67 – Compliance: NDAA – VCA Features: Basic VCA, Face Detection, Human / Vehicle Classification, People Counting – Hardware Features: Audio In, Built-in Mic, POE, SD Card