1) for the sewer pipes dia from 150mm to 2000mm
2) PTZ CCD camera head, pan 360°, tilt 2 * 90°, 10:1 optical, 12:1 digital zoom, IP68, can underwater 10m depth
3) Rear view camera
4) The large crawler, electric clutch, dual DC motor(150W)
5) The mini crawler, manual elevator, dual DC motor (50W)
6) Auto cable reel, 200m cable with counter
7) Win7 system, 128GB SSD, Record video in site
8) 8" TFT highlight LED screen
9) Functions: Video record, picture snap, text edit and meter/foot count