... Main Functions: taking photo, recording video and audio,webcam, USB drive, watch,AV output,set time&date2) Internal memory:Samsung 4GB ... Lithium-ion 6) Battery recording time : about 2 hours7) USB: 2.0 (Hs)8) Operation systems: No need for driver ... AV cable Functiontaking photo, recording video and audio,webcam, USB drive, watch,AV output,set time&dateFeatureAV output,webcamVideo formatAVIVideo ...