Usage Tips:Feature:1. Suppots for OTC Function: For Android phones support basic support for OTG function, except for individual low version phones.2. Wide Compatibility: The OTG external cam can be used as a replacement computer camera for Windows, for Linux, for IOS systems, drive free.3. Universal to Use: Support all kinds of for Android system law enforcement devices, wearable devices, etc.4. Premium Material: The OTG external camera is made of high quality PVC, tough and durable, wear resistant, long service life.5. UVC Protocol: The OTG external camera is UVC protocol, For IOS phones do not support. You need to double check.Specification:Item Type: OTG External CameraMaterial: PVCHorizontal Resolution: 1080PChip Model: 1/2.7Effective Picture Elements: 2 MillionSignal Type: USB Digital (UVC Protocol)Auto Gain: OSDVideo Output: MJPG/YUY2Sound Output: NoneSystem Synchronization: Internal SynchronizationOperating Temperature: -20 to 60 Backlight Compensation: OSDMinimum Illumination: 0.001lxSNR: > 52dB.Package List:1 xOTG External Camera