The POSC05100A-USB is a switched-mode, constant-voltage power supply with 5VDC output and current up to 1A (5W). It has a standard USB plug, manufactured by Positive Science (POS). It is designed to be used for a wide range of consumer electronics, computers and peripherals. The power supply features an adjustable or fixed output voltage and current output. It is capable of providing reliable, noise-free power to devices powered by 5VDC. Installation is fast and easy with a patented quick-connector system. The device also provides short-circuit, overload, over-voltage, under-voltage, and reverse-polarity protection. The power supply is RoHS compliant and is offered in a range of enclosure sizes.