The DEPSTECH Endoscope is equipped with three lenses and a 50-foot semi-rigid cable, making it easy to reach into hard-to-reach areas. This is an opportunity to easily inspect drains, automobile engines, wall structures and HVAC ductwork. The triple lens provides a direct frontal or two side views, and the split screen feature helps you quickly get the angle you need without twisting cables. The 5-inch IPS screen will greatly increase your viewing pleasure and practicality. Ergonomic design makes it easy to hold and use. The power source is a rechargeable battery that holds a charge for 4 hours.