The 1891526 is a Euro plug-in adaptor power supply manufactured by FRIWO. It is designed for universal use with an input voltage range of 100V to 240V. With a power rating of 3.5W, it provides a stable and efficient power supply. This power supply has an output voltage of 5V and a current rating of 700mA, making it suitable for a wide range of electronic devices. It is also RoHS compliant, ensuring it meets environmental regulations.