The Goobay 44955 is a switched-mode power supply with constant voltage, designed to deliver a 5V-12V output voltage range at up to 3A and 18W of power. It is a Class II power source that's both portable and safe to use. The 44955 features overload, overvoltage, and short circuit protection, as well as a green power on LED indicator and a MTBF of over 50,000 hours. This power supply is ideal for applications such as LED lighting, industrial automation, computer peripherals, and general power systems.