Black & Decker GH900 Gh900 String Trimmer, AFS automatic feed system ensures continual work without bumping or having to stop The 6.5-Amp motor and high torque transmission provide MAXimum performance Power Source : Corded-Electric.13 inch cut path gets the job done fast AFS automatic feed system ensures continual work without bumping or having to stop Power Drive Transmission prevents bogging down Lightweight ergonomic design with adjustable height and pivoting handle The 6.5 amp motor and high torque transmission provide maximum performance Power Source : Corded-Electric