... inspection: Robotic crawler:Model: SD-9902Brand: SLD *Components:Camera head, Crawler, Display controller, Cable Reel, Wheel, System ... data of running speed, distance, crawler internal, and camera internalpressure index, two axis Angle measurement, lighting source numerical ... IP537. Material: shell aviation aluminum System Control Softwarea. Motion control of the crawlerb. Real-time displayc. Real-time ...