Feature: 1. DEPTH ADJUSTMENT: The penetration depth of lancing pen can be easily adjusted, can be selected according to the thickness and sensitivity of the skin. 2. FAST SPRINGBACK: Flexible retractable springback design, reduce soreness, ensure small wound surface, fast bleeding, and improve work efficiency, reliable for use. 3. EXQUISITE CRAFTSMANSHIP: Attention to detail, simple operation, no stuck lancet, no shaking, applicable for removing blood stasis, perfect for men and women. 4. PORTABLE DESIGN: Light weight and in small size, easy to store and carry, can be easily put into your bag, perfect for home, massage salon, beauty salon, etc. 5. STAINLESS STEEL MATERIAL: Lancing device is made of great stainless steel, eco friendly, firm and sturdy, anti rust and stable, no deformation, durable for use. Specification: Item Type: Lancing Device Material: Stainless Steel. Package List: 1 x Lancing Device1 x Storage Box Note: 1. This product does not include the lancet and needs to be purchased separately.2. Storage method: This product should be stored in a cool, dry and well ventilated place, and should avoid direct sunlight and away from corrosive gases.3. One per person: The blood lancing pen is for individual use only and cannot be shared by many people.4. Timely clean: Thoroughly wipe the inside and cap of the lancing pen with a cotton swab containing 75% ethanol.5. One time blood collection: To avoid contamination, use each lancet once and discard it when used up.6. Dispose of used lancets properly.