This AC adapter from Golden Profit Electronics LTD is a reliable and efficient power supply for your electronic devices. With an output voltage of 15V and a current of 4A, it can power a variety of devices that require this type of power supply. The adapter comes in a sleek black color and includes a 5.5mm x 2.1mm connector A for easy connection to your device. In addition, this adapter is OEM and complies with California Prop 65 regulations, ensuring that it is safe and environmentally friendly. Whether you need a replacement adapter or want to have a backup power supply, this Golden Profit Electronics LTD AC adapter is a great choice.