Feature for Stand Alone DVR Purely embedded shelf and real-time operating system, ultra temperature stability. An Industry Standard 1U case has been used. It is easy to install and store due to size. Adopts pure hardware MPEG-4 compression. Four channel picture display, record in real time (8 shelves picture quality adjustable). Duplex operation is achieved with the monitor, video and play back operation. The network transmits information this is shown on the network screen so you don’t miss any details. Four channel video and two channel audio input. Two channels of video (monitor in the playback) output, and one channel via the VGA output. Two channel audio input. Four channel alarm input. Four channel alarm output with watch guard style function to deploy troops on garrison duty in real time, or withdraw a garrison. Panel or remote control operated, English menu. Double passwords protection and the fraction limit are managed, convenient and safe. Uses Internet Explorer to navigate directly it sets up DVR parameters for long-distant transmissions through the network, facilitates system combination. Supports a Compact Flash-card and IBM micro drive to minimize hard disk backup. Can control Scanners and lenses via alarm outputs (the signal of the video loss activates auto alarm), Motion Detection has been perfected.