The UEETEK LED Power Adapter is a modern and sleek power supply converter that is perfect for powering aquarium fish tanks. With a DC output of 12V, this adapter can be used to provide power to any device that requires 12V of DC power. The adapter features a 5.0% output voltage regulation and an 80mVp-p input ripple noise. This power supply converter is also rechargeable, so you will not need to purchase it again once its battery has been charged.