This machine is a high-performance single-chip digital storage system with a 32-bit RISC processor, which can simultaneously process recording, real-time monitoring, playback, CD burning, USB backup and directly connect to the network to perform remote monitoring. The user-friendly interface can be operated through the screen menu, front panel control buttons and multi-function wireless remote controller. USB devices and built-in CD burners are convenient for users to download recording images and update firmware.