The T23 7.9mm Triple Lens 7in Screen Industrial Endoscope is a professional-grade inspection tool that is perfect for a wide range of applications. It features a 7.9mm diameter camera head that can be inserted into tight spaces, and a 7-inch LCD screen that provides clear and bright images. The endoscope also has three built-in lenses, providing a variety of viewing angles. One of the key features of the T23 is its triple lens system. The first lens is a wide-angle lens that provides a broad view of the area being inspected. The second and third lens allows you to see fine details on either side Another key feature of the T23 is its 7-inch LCD screen. The screen is large enough to provide a clear view of the inspection area. It has a built-in 3000mA rechargeable battery and LED light that can be used to illuminate dark areas. The endoscope also comes with a variety of accessories, including a carrying case and USB charging cable The T23 is a powerful and versatile inspection tool that is perfect for a wide range of industrial applications. It is used by mechanics to inspect engines and other automotive components, by plumbers to inspect pipes and drains, by electricians to inspect wiring, and by many other professionals.