ANNKE 4K Ultra HD 8-CH Security DVR Recorder. Secure Your Home Day & Night. Brilliant 4K Ultra HD With Finer Details. This digital video recorder delivers the sharpest true 4K ultra HD videos with the finest details, so you can monitor your home or business in greater detail than ever before day/night. Upgraded Human & Vehicle Detection. Adopting the leading-edge motion detection 2.0 algorithm, this DVR can extract and detect key objects like human&vehicle with up to 99% accuracy. This DVR not only supports line crossing and intrusion detection, but also can set up to 4 programmable privacy areas. You can choose it freely according to your needs. Smart Search & Playback. This DVR makes it easier for you to find what you want in loads of videos, you can search or playback vital clips like human/vehicle videos separately, which improves your search efficiency greatly. Powerful 5-in-1 Compatibility DVR. The expandable DVR can work with all ANNKE cameras of TVI, AHD, CVI, CVBS and IP cameras, so that you can manage all cameras just in the sole device. (the DVR with default 4 IP cameras, maximizes support up to 12 IP cameras). Multiple Video Recording Options. There are various recording options for your needs, like 24/7 no-stop and auto-circulate override recording, scheduled recording and motion detection recording, you can customize your video recording ways. So it’s a good way for you to monitor your property in ultra HD stream no matter where you are. This DVR can work with Amazon Alexa, allowing voice control to access the system. You can receive live feed via 100% hands-free control even if no smartphones or laptops. Coaxial Audio is Supported. Coaxial audio camera access is synchronized with the same cable to transmit video signals and audio signals, no need for additional audio cables. 265+ saves up to 75% storage spaces compared with H. 264 coding, which not only records ultra-long videos but spreads it faster. This DVR supports HDMI outputs with up to 4K ultra HD videos, VGA transmits up to 1080p clarity, assuring you have a beautiful vision experience. Various Storage Options for Your Needs. There are kinds of storage ways for you to choose from, the DVR not only supports one up to one 10TB HDD and cloud storage, but also supports NAS and IP SAN storage, so you can achieve storage hassle-free easily and no need to worry about storage anymore. 8CH Analog HD/Analog + 4CH (up to 12-ch) IP Enhanced IP mode on:8-ch (up to 16-ch), each up to 4 Mbps. VGA up to 1080p/60 Hz; HDMI up to 4K (3840 × 2160)/30 Hz. 1-ch, RCA (2.0 Vp-p, 1 K?)/8-ch via coaxial cable. 32 Kbps to 10 Mbps. 1-ch, RCA (2.0 Vp-p, 1 K?). Line crossing & Intrusion Detection. 4-ch (up to 12-ch). Motion Detection 2.0. Deep learning-based motion detection 2.0 is enabled by default for all analog channels, it can classify human and vehicle, and extremely reduce false alarms caused by objects like leaves and lights. Analog HD Playback Resolution. Supported Analog Camera Types. Up to 10 TB Capacity(Not Include). USB 2.0 X1 + USB 3.0 X 1. RJ45 X1(10/100 M/1000 M self-adaptive Ethernet interface). 14 °F – 131 °F/-10 °C – 55 °C. Dimensions (W X H X D). 315 × 242 × 45 mm (12.4 × 9.5 × 1.8 inch). Weight (Without Hard Disk). 2 kg 4.4 lbs.