1. Using integrated IC design, it has the characteristics of high conversion rate, small size and stability and reliability. 2. Using glue filling technology, it is dustproof, waterproof and shockproof. 3. Built-in over-voltage, over-current, over-temperature and reverse connection protection functions, making it more reliable to use. 4. Low power consumption and little loss to the battery. 5. The wire is made of pure copper, which has good conductivity and does not generate heat. 6. Material: ABS 7. A variety of styles are available to meet different needs.