All in 1 trimmer for face, head and body styling: 18 pieces for all your trimming needs. Maximum precision with DualCut technology includes 2x more self sharpening blades that remain after 4 years of use. Lithium battery delivers 3 hours of cordless run time, or use while plugged in for continuous use. To deliver maximum torque and power, the trimmer includes a full metal motor and a drive train that's been reinforced with tempered steel. Our unique cutting guards are reinforced with ultra strong fiberglass material to prevent bending and buckling, ensuring an even trim every time.