Features : Constant voltage output design.200~240 AC input. Encapsulated with IP20 level. Withstand 300VAC surge input for 5 seconds. Protections: Short circuit/Overload/Over voltage. Cooling by free air convection.DALI+PUSH dimming option. 100% full load burn-in test. High cost-performance, high reliability. Suitable for LED related fixture or appliance