Professional hair clipper. The set includes 4 combs, oil for blades, cleaning brush, charger. Comb sizes: 1.5mm, 3mm, 4.5mm and 6mm. Three adjustable speeds: (5,000, 5,500 and 6,000 RPM). Fast battery charging (60 min) and 180 min duration. Charge for 1 hour before first use, after 3 or 4 charge-discharge cycles the battery capacity will be at its optimum. For more information, read the instruction manual given with the device.