Input: AC 100-240V 50/60Hz Output: DC 15V 5A 75W; DC interface size: 5.5mm x 2.5mm ; Pole of DC Plug: Center Positive(+), Outside Negative (-) It perfect replacement for 3A / 3.5A / 4A / 4.5A as amperage isnt forced. (If your previous Adaptor was less than 5A then this will be a perfect replacement as amperage is NOT Forced). Widely used to drive 15V LED Strip Light, Photo Studio Ring Light and other 15V devices less than 75W. It are certified by CE / FCC / RoHS certification. We focus on providing quality power products and excellent customer service and Automatic overload cut-off, over voltage cut-off, automatic thermal cut-off, short circuit protection. Notice: Please check the specifications of your appliance, power input and output voltage and current parameters and DC interface before purchasing. If you do not understand, please contact us in time, we always adhere to and provide quality after-sales support