Camera web DS-UA14 4 MP Type A interface, supporting USB 3.0 protocol. Plug-and-play, no need to install driver software, Built-in speaker supports echo suppression,Built-in microphone with clear sound ,AGC for self-adaptive brightness, 3.6 mm fixed focal lens,Lens Mount M8,Speaker Range 0 m to 2 m,Digital WDR,Dimension 103 mm × 48.5 mm × 43.6 mm,Operating Conditions -10 °C to 45 °C,Material Plastic, Weight :113 g