Features 1、Strong spring with high resilience, long service life and no needle sticking 2、Automatic rebound and slight pain, reduce the time staying in the skin, safe to use 3、Adjustable depth, can be adjusted according to individual needs, convenient and practical 4、Stainless steel material, which ensures stable performance and durability 5、Easy to operate, just need to press the button to collect blood Specification Features: 1. Strong spring with high resilience, long service life and no needle sticking. 2. Automatic rebound and slight pain, reduce the time staying in the skin, safe to use. 3. Adjustable depth, can be adjusted according to individual needs, convenient and practical. 4. Stainless steel material, which ensures stable performance and durability. 5. Easy to operate, just need to press the button to collect blood. 6. Wide range of applications, such as cupping drain blood, acupuncture, massage, physiotherapy, etc. Specification: Item Type: Blood Lancing Pen Material: Stainless Steel Color: As Pictures Show Length: Approx. 12.8cm / 5.0inch Diameter: Approx. 1cm / 0.4inch Package List: 1 * Blood Lancing Pen 1 * User Manual Note: Need to use with disposable blood collection needle, which is not included in the product.