... microphone and speaker11. 420mAh polymer lithium batteryTechnical parameters: CameraResolution5.0 Mega pixels CMOS image sensorView angle120° wide view angleLensGlass / 6G / ... MJPGResolution720P 1280*720 pixels,30fps,5GB/HourD1 720*480 pixels,30fps, 2.5GB/HourVGA 640*480 pixels,30fps,2.4GB/HourQVGA ... 320*240 pixels,30fps,2. ...