1Suppots for OTC Function: For Android phones support basic support for OTG function, except for individual low version phones. 2Wide Compatibility: The OTG external cam can be used as a replacement computer camera for Windows, for Linux, for IOS systems, drive free. 3Universal to Use: Support all kinds of for Android system law enforcement devices, wearable devices, etc. 4Premium Material: The OTG external camera is made of high quality PVC, tough and durable, wear resistant, long service life. 5UVC Protocol: The OTG external camera is UVC protocol, For IOS phones do not support. You need to double check. Item Type:OTGExternalCamera Material: PVC Horizontal Resolution: 1080P Chip Model: 1/2.7 Effective Picture Elements: 2 Million Signal Type: USB Digital (UVC Protocol) Auto Gain: OSD Video Output: MJPG/YUY2 Sound Output: None System Synchronization: Internal Synchronization Operating Temperature: -20 to 60Backlight Compensation: OSD Minimum Illumination: 0.001lx SNR: > 52dB 1 xOTGExternalCamera