Input: AC 100-240V, suitable for worldwide use Output: DC 15V 3A, stable and reliable power supply DC plug size: 5.5mm x 2.5mm, wide compatibility with many devices Built-in protection against over-voltage, over-current, short circuit and overheating Universal design for speakers, LED strips, monitors, routers and other electronics Lightweight and portable, ideal for home and travel use High efficiency and low power consumption