VIVOTEK's NR8201 network video recorder offers an elegant recording solution for VIVOTEK network cameras and performs real-time monitoring and recording simultaneously. It supports up to 4-CH H.264, MJPEG, and MPEG-4 video and provides multiple recording modes including alarm recording, scheduled recording, manual recording and continuous recording. The installation is very simple as the camera is able to be inserted utomatically when it's plugged in. It also offers a user-friendly interface for the user to configure the network settings and the camera control. Moreover, the 802.3af compliant PoE (Power-over- Ethernet) is able to reduce the complex of the installation, making NR8201 the cost-effective recording systems. The user can utilize the NR8201 to record high-definition mega-pixel videos on removable hard disk(s) with large capacity and a USB interface for data backup. The NR8201 also supports an external hard disk from the eSATA interface. The built-in gateway separates the network camera connection and the data network connection for the prevention of network congestion. Functional four digital inputs and one digital output interfaces are capable of integrating with the security sensors and alarms. The NR8201 are comprehensive network video recorders featuring with multiple functions to provide the best quality and highest performance in network video recording.