Durablade: Diamond-ground razor blades, Japanese Steel. Blades set 46 mm. 5 cutting length settings (0.8, 1.3, 1.8, 2.4, 3.0 mm). 5 attachment combs (4, 8, 12, 16 & 20 mm) Professional motor Cordless rechargeable or cord Cordless operation: 100 min.