Compact size and easy installation. High definition video and dynamic images. Even under low illumination video can be recorded and it also supports AVI video format. Support VGA (640*480) and HD (1280*720) capturing. Three sizes (including 5M 3M and 1M) of image are for option. Supports time and date watermark function and time and date can be synchronously displayed while recording. Support high-speed USB2.0. Support Max.32G Micro SD card. Adopt loop coverage recording method and the new recording can automatically cover the old recording. Equipped with on-site replay function. You can check the video recorded on-site with the display.