Features：<br> 1.Pass TUV CE Certification, Comply with UL Standard;<br> 2.Active PFC Circuit Design, Power Factor>0.95, Efficiency >93%<br> 3.Input Voltage Range: 90 ~277V AC, Strong Resistance to Power Grid Fluctuation<br> 4.IP Grade: IP67；<br> 5.MCU Control with Over Current, Short Voltage, Short Circuit, Over Loading, Over Temperature Protection Function and Recovery after Troubleshooting;<br> 6.Warranty: 5 or 7 Years Options;<br> Application<br> Outdoor and Light Boxes, Advertising, Signature, View Lighting；