iRobot 12601 Looj 135 Remote Controlled Cordless Electric Gutter Cleaning Robot With Belt Clip And Case Includes rugged case for convenient storage and an extra flexible auger Works with standard K-style, aluminum, copper, metal or vinyl gutters Internal antenna provides great range and reliability up to 40-feet away Smart speed moves slower going forward to clean thoroughly and faster going backwards to finish its mission quicker Flexible auger delivers the power needed to blast through clogs