Item Type: OTG External CameraMaterial: PVCHorizontal Resolution: 1080PChip Model: 1/2.7Effective Pixels: 2 MillionSignal Type: USB Digital (UVC Protocol)Auto Gain: OSDVideo Output: MJPG, YUY2Sound Output: NoneSystem Sync: Internal SyncWorking Temperature: -20 to 60 Backlight Compensation: OSDMinimum Illumination: 0.01LxSignal to Noise Ratio>52dBPackage List1 x OTG External CameraBasic support for Android phones that support OTG function, except for some low version phones.1Support Protocol: This USB external camera supports UVC protocol, which is suitable for Android phones that support OTG function, but does not support for iphone phones. 2Applicable Processor: The connection is stable, processor below for Huawei Kirin950 does not support this camera, but for Kirin955 or above supports it. 3Compatible: Professional external camera design, can be used to replace your computer camera, compatible for Windows, for Linux, for ios systems. 4Driver Free: Easy to use, first download the corresponding app and use USB to connect the camera, you can use it, driver free, very convenient. 5Widely Applicable: The camera can record and take pictures, suitable for law enforcement instruments and wearable devices using for Android system, etc.