4-cycle engine 29CC. Variable speed throttle. No oil and gas mixing. 4-cycle engine is quieter, burns less gasoline and is cleaner for the environment. Electric start is possible. Optional starter unit or starter bit eliminates pulling start. For manual starts, "Ez pull". Makes pull starting easy. Straight shaft. 17" cutting path. 0,095"dual line spool trimming head. D-handle. Attachments. Easy assembly. 2 years limited warranty.