●200W digital HD camera with 30× optical zoom
●Laser measurement of defect distance to manhole opening
●Electrically heated lens for defogging
●Calibrated U-shaped bracket for easy camera position adjustment
●Carbon fiber telescopic rod, freely adjustable to manhole depth
●Portable tablet control terminal for convenient operation
●Optional high-precision Beidou-enabled industrial tablet (centimeter- or sub-meter-level accuracy) for surveying applications