... Detailed Product Description Bottle camera, mini recorder,bottle hidden dvr with video and audio. AVI 640*480 Internal memory: 2/4/6GB ... at the same time, USB drive.2) Video format: AVI, 640*480 resolution3) Internal Memory: 2GB/4GB/8GB4) USB interface: 2.0Hs5) ... XP/ VISTA or above (windows98 is excepted)8) Various usages: USB drive, industry of business, education, security, media, police, travel, ...