... 2KG9. Waterproof level: IP68, depth of water 10 meters Crawler 1. For pipes diameter of 300mm-2000mm equipped with ... and right, forward, backward3. Stepless speed regulation function, 0-35 M/minutes crawling velocity4. Material: aviation aluminum and stainless ... ). It can display the data of running speed, distance, crawler internal, and camera internalpressure index, two axis Angle measurement, ...