Dial Adjustment 2-18mm / Long Lasting Stainless Steel Blade / With Comb Attachment / AC/ Rechargeable / 40min use = 8hr Charge / Universal Voltage . Long-Lasting Stainless Steel Blade. Easy and Safe Blade Replacement. Ultra-Thin and Precise Contour Following Shaving. Cordless or Corded Operation, It’s Your Choice. 12 Cutting Length Adjustments 2-18mm. Efficient Motor Speed. Up to 40 minutes of cordless trimming. Precision cutting with an acute 45°edge enable.