1. Built-in integrated design of high voltage package; 2. Output lighting line protection: automatic protection within 1 second; 3. Output short circuit protection: automatic protection within 3 seconds; 4. Output disconnection protection function; 5. Has good waterproof, dustproof and anti-vibration functions; 6. With output overvoltage, under voltage protection function; 7. Has good anti-electromagnetic radiation interference function; 8. Output constant power design, more adaptable to the bulb, and increase the life of the bulb by more than 50%.