... control 4. 100m motorized/manual cable CCTV Pipe Inspection: Components:Front camera, Rear camera, Crawler, Display controller, Cable drum, ... .2). Control function: forward, backward, turn left, front camera axial rotation, level rotation;Lift platform rises or falls ... wheelsSD130: 130mm wheelsSD230: 230mm wheelsAccessoriesHex screws; o-rings; front dust cover; rear dust coverToolsHex wrench supporting