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With the improvement of technology and economic development, people are more and more attention to the protection of personal and economic property. Aiming at this situation, designed an equipment which can realize remote monitoring and automatic broadcasting the alarm sound. The equipment takes the TQ210 board based as the hardware platform and the embedded Linux as the software platform and the image was captured by the camera and compared with the frame difference to achieve the detection of moving objects and using speakers to broadcast the alarm sound. At the same time, the WEB server is constructed with Boa as the core on the board to achieve a remote view the images and videos of the moving objects.The experimental results show that the system not only to achieve the traditional real-time video monitoring, and when it detects moving objects produce, it can immediately turn on the sound warning and save the images and video down for the user to view afterwards or obtain evidence.