Product DescriptionAdvanced RTOS Motion JPEG compression Support CIF, Half-D1 Real time recording 4CH Video Input & 4CH Audio Input USB to upgrade software PS/2 Mouse control PTZ and network function Perfect alarm and operation log are convenient for analyse and detection Watch-dog built-inside Multi- language versions are selectable VGA output Applied in small surveillance area, such as House, Small Super Market, Gas Station, Villa, etc MORE SPECIFICATION 6204