Features: Gun style Dual-lens HD Industrial Borescope ,can be switched at will. Front view/side view can switch dual lenses with one key. The high-sensitivity chip can provide excellent image quality and good performance in low illumination, regardless of the current environment. 1080P HD image quality, 4.3-inch high-definition large screen. IP67 waterproof, the inside of the lens is sealed with special glue, which is capable of underwater operations. 2600mAh, built-in high-performance polymer lithium battery, low energy consumption and durable. Widely used, can be used for automobile maintenance, sewer maintenance, air conditioning maintenance, mechanical maintenance, etc.