Features : 1. Constant voltage design 2. Universal AC input / Full range 3. Withstand 3ooVAC surge input for 5 seconds 4. Protections : short circuit /overload / Over voltage 5. Fully encapsulated with IP67 level 6. Fully isolated plastic case 7. Cooling by free air convection 8. Class two power unit, no FG 9. Class 2 power unit 10. Pass LPS 11. Suitable for LED lighting and moving sign applications 12. 100% full load burn-in test 13. Low cost / High reliability