H.265+/H265/H.264+/H264/ MJPEG coding Max. resolution: 3840 × 2160 30 ~ 40m IR or white light range 3D DNR, true WDR, HLC, BLC, Defog and ROI coding 1CH audio input; 1CH audio output 1CH built-in speaker; 1CH built-in microphone Built-in micro SD card slot, up to 256GB DC12V/PoE power supply IP66 ingress protection Support three streams Support remote monitoring by smart phones & tablet PCs with iOS and Android OS Intelligent analytics Blue and red light warning (flashing alternately) Support user-defined warning voice import