Features:<br> 1.Small Size, Light Weight, Efficiency >87% <br> 2.Pass CCC Certification;<br> 3.Constant Voltage and Constant Output Mode, Can be Used if Over Loading;<br> 4.Protection Characteristics: Over Current, Over Voltage, Short Circuit, Overloading;<br> 5.60W/100W/200W Natural Wind Dissipation; Low Noise Fans with Best Heat Dissipation Effect Design for 300W/400W;<br> Application<br> Indoor and Indoor Light Boxes, Advertising、Signature；