CORE GasLess Power CGT400 CGTSD Gasless Powered Trimmer, 3 Hour Charger, 1 Power Cell Dual mode power control speed for normal grass trimming, or torque for optimum performance and longer run time Powered with a state of the art prismatic high energy power cell operating in concert with new smart core electronics Run time up to 70 minutes Head Speed 7,000 RPM Speed/5,000 RPM Torque - 25-Percent more torque than at 25cc 2 cycle commercial trimmer Head type dual line bump feed and trimmer line 0.095 diameter, 20-inch on spool