Feature: 1. Metal all-round casing is perfect for long-term use in a barber shop. Its ergonomic design ensures comfortable using experience. This tool will be a valuable and timeless addition to your barber\u0027s kit. 2. When in use, the stainless steel blades will automatically sharpen themselves for superior sharpness and maximum durability. Besides, the blades are specifically designed to be gentle on the skin while cutting to avoid injury. 3. Perfect for Precise Hair Cutting, 4-length Adjustable Blades \u0026 8 Guided Combs. The length adjustment range of the blade is from 0. 8mm to 2mm, allowing you to achieve a variety of haircuts with ease. 4. SmartClipper Pro offers up to 240-minute using time after a 2-hour fully charged. There is an indicator on the screen to show the remaining battery. Specification: Features: Metal all-round casing is perfect for long-term use in a barber shop. Its ergonomic design ensures comfortable using experience. This tool will be a valuable and timeless addition to your barber's kit. When in use, the stainless steel blades will automatically sharpen themselves for superior sharpness and maximum durability. Besides, the blades are specifically designed to be gentle on the skin while cutting to avoid injury. Perfect for Precise Hair Cutting, 4-length Adjustable Blades & 8 Guided Combs. The length adjustment range of the blade is from 0. 8mm to 2mm, allowing you to achieve a variety of haircuts with ease. SmartClipper Pro offers up to 240-minute using time after a 2-hour fully charged. There is an indicator on the screen to show the remaining battery. Specifications: Rated Voltage: 5V Rated Power : 5W Charging Time: 2 hours Run Time: Up to 4 hours Product Material: Aluminum alloy; Stainless steel BATTERY CAPACITY：lithium battery 3.7V/2500mAh Charging : DC 5V 2A，Anifast Vibrate：390 3.0V ;6000RPM Moving knife adjustment：0.8、1.2、1.6、2.0mm Limiting comb：1.5、3、4.5、6/9/12/15/18 Package List: 1 * Hiar Clipper 8 * Guided Combs 1 * Brush 1 * Oil Bottle 1 * Type-C Charging Cable Package List: 1 * Hiar Clipper 8 * Guided Combs 1 * Brush 1 * Oil Bottle 1 * Type-C Charging Cable