Camera web DS-U04P 4 MP type A interface,Auto Focus; supporting USB 2.0 protocol.Plug-and-play, no need to install driver software, built-in microphone with clear sound,AGC for self-adaptive brightness, 3.6 mm fixed focal lens, Audio Sampling Rate 16 kHz, Operating Conditions -10 ° C to 45 °C, Material Plastic,Dimension 80.16 mm × 48.6 mm × 42.18 mm,Weight Approx.89 g.