The Gold Boost Plus Metal Lithium Trimmer features a higher speed, higher torque brushless motor - 7200RPM! Cord or cordless operation with a high speed, high torque brushless motor (7,200 RPM) DLC (Diamond Like Carbon) deep tooth 360° exposed T- blade (zero gap tool included) 3300 mAh lithium ion battery (4-hour run time) All-metal housing with a diamond textured rubber handle