Thank you for viewing. This is a new fiberscope. Usable devices are Android smartphones with Type-C ports, and computers with Type-A ports. The length is 1m. After reading the QR code on the included manual and downloading the app, connect the code and an image will be displayed on the app screen immediately. In the unlikely event that you cannot download via the QR code in the instruction manual, please install the inskam app or the USBCAMERA app from Google Play. Regarding image quality, I believe the subject can be seen clearly without blur from about 2 cm away. It can take photos, record videos, and record audio. Photo and video files are saved directly to your mobile phone, allowing for the entire recording check process, convenient observation, and follow-up analysis. There is also a rotating wheel used to adjust the brightness of the 6 LED lights, allowing it to function in some areas even without sufficient light. IP67 waterproof camera. It is equipped with a micro to USB connection, so it can also be used with computers. High resolution with 1/9 cmos camera. Applications: Intraoral camera system, Underwater camera, Waterproof micro camera, Automotive detector, Sewer pipeline detector, Search and rescue, Crime and custom Detection of metal, archaeological detection, PCB detection, home care, aviation and space industry, tractor industry, oil drilling, construction, etc. The fiberscope can be used in any location, such as dark places or narrow, dark holes, thanks to its light function. An adapter for retrieving lost items is included. Please refrain from using for voyeurism or nuisance activities. Please refer to the photos for other details. ※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※ Shipping will be 1-2 days after initial operation check (almost within 24 hours). For cost reduction, it will be sent in a waterproof vinyl bag and an envelope. If it does not work or has malfunctions on iPhones, oppo, Lenovo, Pixel, tablets, or older devices whose software support has expired (approximately 3 years after release), etc. Please refrain from returns or cancellations. Thank you for your understanding before purchasing. ※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※ Please take this opportunity to purchase!