Overview: 1.the latest technology, and microcomputer control, which is safe, convenient, and fast. 2. A lower level is used on spots and freckles. A strong level is used on mole and skin tags. 3. Remove spot without blooding. 4. Stainless steel spot pen is non-toxic, hygienic, and uneasy to rust for secure use. 5. Charge directly by USB line, easy to carry and easy to operate. High-capacity battery.