NVR Features: - Support embedded Linux OS - Support Protocol Onvif 2.3 version - Support VGA HDMI Sync video output - VGA HDMI image resolution up to 1920 x 1080 - Support HD preview all channels support main stream - Support Zoom function of preview and playback - Support event playback backup recording support picture playback and search - Support One-key recording - Support fast playback - Support P2P - Support 4ch 720P simultaneous playback NVR System: Main processor High performance embedded microprocessor Operating system Embedded LINUX OS Video spec. Video compression format H.264; Display Image Resolution [email protected];[email protected];[email protected] Playback Image Resolution [email protected];[email protected];[email protected] Motion Detection can setup 192(16 x 12)pcs motion detection area each channel and multi-level sensitivity(1-6 levels adjustable) Privacy Masking Depends on ipc Audio spec. Audio compression format adpcm g711 Two-way audio 1-CH Recording Mode Recording Mode Manual Recording Motion Detection Recording Time Recording Alarm Recording Recording storage HDD Network Frame rate 30 fps NTSC; 25fps PAL Recording Playback Max support 4ch 720P Backup Mode Support HDD USB flash disk store & backup Video Network Video Input: 4-CH; Video output 1-CH; VGA and 1-CH HDMI Audio; Audio Input: N/A; Audio Output: N/A; Alarm Input: N/A; Alarm Output: N/A Other Network: 1 x 10 / 100Mbps RJ45 port HDD SATA Power DC +12V /4A Power consumption: 16~18W( not include HDD and PoE) Operation temperature: 0~55'C Operation humidity: 10%~90% Demension: 252 x 213 x 42mm (0.8u height) Weight: 1.5~1.8KG(not include HDD)