ANNKE 4K Security DVR System, 5-in-1 Hybrid 8CH 4K Ultra HD Security DVR, 4x Wired 5MP CCTV Cameras with Full Color Night Vision, 2TB HDD, Work with Alexa, AI Human/Vehicle Detection - AU-DT81DP2-V2-R4CL-P-OP#USZ

• 【NightChroma 5MP 24/7 Color Night Vision】F/1.0 super aperture, color night vision tech, active alignment tech, advanced ISP all help this wired security camera System capture ultra clear 5MP Super HD footage at 20 fps. Get true full color images even in 0.0005 lux illumination night without the supplement light. 【130 dB True WDR & 3D DNR】130 dB true WDR balances every area of images, ensuring stunning videos without overexposure/underexposure, a 100X efficiency than 120 dB WDR. 3D DNR minimizes the image noise at night, so you'll always view crisp & colorful images in 0 lux illumination. 【8CH + 4CH 4K UHD H.265+ 5-in-1 DVR】The expandable 4K DVR supports 8 pcs 4K TVI, 5MP AHD, 4MP CVI, CVBS and 4 pcs 6MP IP cameras. H.265+ video format records longer videos, consumes less bandwidth and offers smoother stream than H.264 systems. 【Remote Access & Motion Detection Alerts】ANNKE App is always 100% free & safe to use. Manage the DVR remotely via your iOS/Android smartphones, tablets, or computers wherever. When there are motion events, you'll receive instant app pushes & email alerts with snapshots. Take precautions to stop the possible intrusion. 【IP67 Weatherproof & Metal Housing】Rated as IP67, this surveillance camera is engineered to brave the harshest weather, regardless torrential downpours or freezing/broiling temperatures. Made from the same solid metal used in the construction of airplanes, the camera is able to withstand the large impacts.