High Performence Stainless Steel Blade Adjustable Taper Control Cutting Lenghts Lcd Display Show Battery Capacity Persent Battery Built In 2000mah Lithium Charge Time – 3-4 Hours Working Time – 4-5 Hours It features high precision zero-overlap blades for superior speed and a convenient variable thumb lever for adjusting the taper and texture without changing blade. Designed for smooth,quick,and precise performance on all types of hair.