MR9504C - 4CH HD 720P Mobile DVR, Basic type, SD type, CVBS output MR9704C - 4CH AHD 720P Mobile DVR, basic type, SD+HDD type MR9504E - 4CH FHD 1080P Mobile DVR, with 4G GPS, SD type MR9504ED - 4CH FHD 1080P Mobile DVR, with 4G GPS, 2 SD type MR9504EC - 4CH HD 1080P Mobile DVR, Basic type, SD type MR9704E - 4CH FHD 1080P Mobile DVR, basic type, SD+HDD type MR9704E - 4CH FHD 1080P Mobile DVR, with 4G GPS, SD+HDD type MR9704E - 4CH FHD 1080P Mobile DVR, with 4G GPS, with LAN, SD+HDD type MR9708C - 8CH AHD Mobile DVR, basic type, SD+HDD type MR9708C - 8CH AHD Mobile DVR, with 4G GPS, SD+HDD type MR9708E - 8CH FHD 1080P Mobile DVR, basic type, with 2 LAN ports, SD+HDD type