specification: Power supply mode: rechargeableTool head material: metalApplicable people: adultsEnergy-saving power: 3WBattery capacity: 2000 mAhCharge and discharge time: 2 hoursSpeed: 6200 RPMGear position: 2 gears About this item Rid your hair of split faster and safer with our trim hair pilot machine. Designed for frizzy, curly, straight, thick or thin hair as long as the hair is chin length or longer. Frizzy hair may require you to flat iron your hair before using our trim hair split machine. Results may vary depending on the customer's previous hair condition. Power Adaptor: Bi-Volt 110-240 Volts. Use plugged in or wireless. Charge the battery before use for 3 to 4 hours. Comes with a fix (1/4") trim setting and accessories. Convenient for storage.