Plug-in power supply for electronic devices with DC voltage input, such as portable CD players, radios, fairy lights, children's toys, digital picture frames, tools, routers, and desk lamps, as well as battery-operated devices. It is ideal as a replacement or second power supply. The unit features automatic overload and overheating protection, as well as short-circuit protection to safeguard connected devices. With reversible polarity, you have flexibility depending on the requirements of the electronic device. An LED function indicator shows whether the power supply unit is receiving power. The mains connection of 100-240V makes it suitable for worldwide use with country-specific adapters. It has low energy consumption in standby mode. This adjustable power supply has high efficiency, with a maximum output of 7.2W and 600mA across all voltage ranges: 3V, 4.5V, 5V, 6V, 7.5V, 9V, and 12V. Settings can be adjusted using the switch key. It comes with seven adapter plugs: two jack plugs (2.5mm and 3.5mm) and five DC plugs (1.35 x 3.5mm, 1.7 x 4.0mm, 2.1 x 5.0mm, 1.5 x 5.5mm, and 2.5 x 5.5mm).