https://www.granfoo-cn.com/underwater-camera-system/bore-detection-camera-200-500m-cable.html https://www.granfoo-cn.com/uploads/202112623/small/bore-detection-camera-200-500m-cable26020233664.jpg Well Inspection Dual View Camera System Applications: Drilling hole, deep well , water well, borehole inspection, down hole Package: Wooden box Gross Weight: 165kg for 300m cable length https://www.granfoo-cn.com/Content/upload/video/202112623/video202105281522509700516.mp4 2021-05-19T16:14:59+08:00 yes no