LevelOne NVR-0104 4-Channel Network Video Recorder: * Two 3.5" disc slots(SATA I or II, up to 2x 1500GB) * Gigabit ethernet speeds * Manage up to 4 network cameras * Compression: MJPEG/MPEG-4 part 2/H.264 * Supports PTZ/preset point/preset sequence * Motion detect event display on e-map/Google maps * Supports mobile viewing and 2-way audio * Display mode: live view/playback/full screen * Resolution: megapixel/FD1/CIF/GCIF * Export playback videos to AVI * Multiple language support * Free bundled NVR management software to manage up to 16 NVR devices