【4K 8MP HD Resolution】 HIK 4K 8MP PoE ip camera is equipped with 1/2.8" progressive Scan CMOS image sensor, high quality imaging with 8MP resolution, max resolution is up to 3840x2160. min illumination is Color: 0.008 Lux @ (F2.0, AGC ON), B/W: 0 Lux with IR. NOTE: this camera is INTERNATIONAL ENGLISH VERSION. 【Smart Human/Vehicle Detection】 HIK 4k PoE ip camera features human and vehicle detection, embeds deep learning algorightms into select security cameras to automatically detect humans and vehicles through real-time video analytics and push instant notifications to users' mobile devices. can minimize false alarms triggersed by animals, falling leaves, heavy rain and other moving objects. 【Two Way Audio】 HIK 8MP AcuSense ip camera built-in microphone and speaker, you can communicate with the intruders via built-in two-way audio. Audio and alarm interface available, provide real-time security to your household, Warehouse,Transformer Substation,Border,Residential Area, Parking Area, Building. 【Passive Infrared Alarm & Built-in Memory Card Slot】 HIK 8MP surveillance network camera can detect body through passive infrared which is sensitive to body temperature, a passive infrared alarm is triggered when the intruder moves within the detector's field of view. the camera built-in memory card slot, support microSD/SDHC/SDXC card, up to 512 GB memory card(NOT INCLUDED). 【120dB True WDR & H.265+ Video Compression】 HIK 8MP PoE ip camera can realize clear imaging against strong back light due to 120dB true WDR technology, the camera adopt to H.265+ video compression technology, which can effeciently save storage space up to 75% than conventional H.264.