H.265+/H265/H.264+/H264/ MJPEG coding Max. resolution: 3840 × 2160 ICR auto switch, true day / night 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 Intelligent analytics Blue and red light warning (flashing alternately) Support user-defined warning voice import – Housing: Bullet – Resolution: 4K / 8MP – Lens Category: 2.8mm Fixed – Night Vision: Full Time Color, Infrared / IR, LED – WDR: True WDR – Water Resistance Rating : IP66 – Compliance: NDAA – VCA Features: Active Deterrence, Basic VCA, Face Detection, Human / Vehicle Classification, People Counting – Hardware Features: 2 Way Audio, Alarm In, Alarm Out, Audio In, Audio Out, Built-in Mic, Built-in Speaker, POE, SD Card