... 22.Built-in microphone 23.Built-in 4 IR LED for nightvision 24.Control buttons: Mode,Down,Up ... Work temperature: - 5°~ 45° centigrade Description Sensor5M CMOS sensor,(1/2.5)inchCamera LensWide angle170 degrees, the maximum aperture ... , Sunny, Cloudy, Tungsten, FluorescentFlashlightElectronic automatic video-light (LED)USB InterfaceUSB 2.0HDMI InterfaceHDMI V1.3ABatteryHigh-capacity rechargeable polymer ...