30W Universal Power Supply 3V to 12V ACDC Voltage Adapter Multi-Voltage Adapter with 8 Selectable Adapter Plugs Maximum 2000Amps

How to use this universal AC/DC adapter? Select the correct voltage by rotating the arrowhead. Select the correct tip. Connect the tip to the LED power supply. Connect to a power source. Power your equipment. Product Specifications: Name: Universal ac/dc Adapter/ LED power supply/ LED power adapter / LED transeformer/ driver Worldwide Input: 100-240V 1.0A 50-60Hz DC Output: regulated 3V 4.5V 5V 6V 7.5V 9V 12V 0-2500mA DC cord: 4.92 feet Tips: 8 pcs adapter plugs 8 Adapter Tips Size : 2.5x0.7mm 3.0x1.1mm 3.5x1.35mm 4.0x1.7mm 5.5x2.5mm 5.5x2.1mm 1x Micro USB plug. 1x LED Terminal Connector ?Important Note: ? The wrong polarity would cause some damage to your device, you can check your device polarity information printed beside the power port. ? This AC power supply doesn't work with devices Over 30W. ? If the required voltage is not in the options, please choose the close voltage. For example, if you device needs 5.5V, you can choose 5V or 6V. ? There is a USB Port at the bottom of the power adapter, you can connect any standard USB cable and power two devices at the same time! (USB: 5V 2.1A)