The Makita DUX18 18v LXT split-shaft motor unit has an effective output of 470 watts, a soft start system to protect the operator from initial power loading, and Makita's "Active Feedback Sensing Technology" (AFT) that shuts down the tool if the rotation speed suddenly reduces or if the blade or line head snags. Brushless motor Loop handle Overload protection Electric brake Variable speed control Soft start Constant speed control Active Feedback Sensing Technology (AFT): Shuts down the tool if the rotation speed suddenly slows down Multi-tool system – versatile optional attachments for a range of applications Tool-less installation of attachment Includes: 1 x Brushcutter Attachment Bare Tool - No Batteries or Charger Included.