Advantages of endoscopic cameras: 1. [Waterproof camera and semi-rigid cable]:1 With a semi-rigid cable long enough to easily hold its shape and enter hard-to-reach areas. IP67 waterproof camera, our borescope can work in humid environment, even submerged in water.2. With 4.5' screen, 5.0MPHD camera has 4 brightness adjustable LED lights, you can capture images and record videos. 3. [HDEndoscope with high color reproduction]: Advanced sensors provide clear images with rich contrast and high accuracy and detail. With high-resolution 1920x1080 pixel images, each surface structure is examined with our inspection camera that is crystal clear, high contrast and faithful to the color display.4. [2600mAh rechargeable battery]: The endoscope built-in battery can work in 3-4 hours with a full charge, ideal for checking lost items / pipes / cables / wiring / leakage / corrosion / damaged parts / damage / part 5. [Autofocus lens industrial borescope camera]: The borescope is equipped with a 1994PHD camera and a side-looking camera together on the probe, allowing inspection in different views, making inspection easier