Developer's DescriptionBy Novotech Industries LimitedNote: Can only be used for Teslong Camera.Note: Can only be used for Teslong Camera.The App is use for Teslong HD USB/OTG cameras which connected to Android Phones. It supports 1080p and 4K USB cameras live preview and video recording. Multi-Cameras connections supported.With native video decode technologies, there is no obvious delays, and works well smoothly in HD video mode.It supports Android 4.4 - Android 9. And it can be widely used for external USB cameras, USB endoscopes, USB otoscopes, USB microscope and so on.Your phone/tablet must support OTG mode first.