... 22.Built-in microphone 23.Built-in 4 IR LED for nightvision 24.Control buttons: Mode,Down,Up,OK ... BalanceAuto, Sunny, Cloudy, Tungsten, FluorescentFlashlightElectronic automatic video-light (LED)USB InterfaceUSB 2.0HDMI InterfaceHDMI V1.3ABatteryHigh-capacity rechargeable polymer ... Weight:about90g(With battery)Operating Humidity,Temperature10%-80%,-5°C-45°CPhotos Full HD Car DVR with G-Sensor H.264 ...