4-ch Mini 1U 4 PoE NVR-DS-7104NI-Q1/4P: Hikvision

The device described is a comprehensive video and audio system designed for surveillance and recording purposes. It features four IP video input channels supporting resolutions of up to 6 MP, with an incoming bandwidth of 40 Mbps and outgoing bandwidth of 60 Mbps. It offers HDMI and VGA output channels, both capable of delivering resolutions including 1920 × 1080p/60Hz and 1280 × 720/60Hz, and supports simultaneous output through both interfaces. Decoding capabilities encompass formats such as H.265+/H.265/ H.264+/H.264, with recording resolutions ranging from 6 MP to QCIF. Synchronous playback is possible for up to four channels. Network connectivity supports remote connections for up to sixteen devices and includes protocols like TCP/IP, DHCP, and SMTP. The system also provides Power over Ethernet (PoE) functionality with four RJ-45 interfaces compliant with IEEE 802.3af/at standards. Storage options include a SATA interface supporting up to 6TB capacity per disk. With certifications like CE and compliance with standards such as EN50130-4, EN 61000-3-2, and EN 61000-3-3, this system offers a robust solution for surveillance needs, with reliable operation within a wide temperature range (-10 to +55º C) and humidity range (10% to 90%).