8mm Shaft with Thick Outer Casing. Integrated Camera. High Speed Cleaning DN50-100, Cutting DN50-75 & Brush Coating DN50-150 Range: 16m. Max Range: 26m with extension. Weight: 38kg. 800-2200rpm Stepless Speed Control (forward & reverse) Camera Specs: Head Diameter 23mm, 30m cable. Stainless steel camera head (IP68). 17.8cm colour monitor. Lighting: 12 LEDs with brightness control Digital footage counter. Same great features as the Battery Powered Mini Miller. Easy to transport and operate regardless of power outlet locations or availability! Includes Standard Battery (Weight: 3.5kg) for up to 3 hours of continuous work. Can also be used with power cable. High Output Battery (Weight: 4.1kg) upgrade for up to 4 hours of continuous work sold separately.