1. Output short circuit protection 2. Overvoltage and overload filter protection 3. Using components, the real machine test has high aging safety performance 4. Good anti-interference performance 5. Small DC ripple, high working efficiency and fast charging speed 6. Low working temperature and long service life 7. Input voltage: 5V 8. Output voltage: 5V 9. Output current: 700MA 10. Interface: Magnetic probe