... WDR function, visual angle 170 degree range 3. Car Digital Video Recorder with 5.0 Mega Pixel Lens4. Built-in 5 ... 22.Built-in microphone 23.Built-in 4 IR LED for nightvision 24.Control buttons: Mode,Down,Up,OK ... 32GBWhite BalanceAuto, Sunny, Cloudy, Tungsten, FluorescentFlashlightElectronic automatic video-light (LED)USB InterfaceUSB 2.0HDMI InterfaceHDMI V1.3ABatteryHigh-capacity rechargeable polymer ...