CN-DHP750 can record video program to internal HDD/ USB device as MPEG4 format( DVD resolution), powerful timeshift function,it can instant/timer record TV program, recorded file can be play by PC and other player. You can also copy media files from PC/USB device to internal HDD and play the media files to TV. This product records programs in digital mode, providing convenience for reviewing the recorded programs. Besides, it could be connected to PC, providing easy connection for uploading recorded files or downloading multimedia files, like AVI, MPEG1, MPEG2, JPEG, BMP and MP3 files, be treated as a personal media recording and playing device.Many more surveillance products at our website at szkws dot com