wireless baby monitor Audio and video USB 2.0,can connect with computer Support the SD Card Camera Camera Apparatus 1/3 1/4 Picture SensorResolution ... Song, Woof, Strong, Gentle, Local, Party, Automatic, Rock-and-roll, PopularPlay mode Normal Play, Single Song Repetition, All RepetitionSNR ... time Support Normal Video Play Over 4 Hours and Monitoring Picture Play Generally for 2 HoursComputer link ...