Adapter 12v 3a a small, yet powerful power supply device that has been created to give your electronic appliances a steady and realiable supply of electrical power.Three main functions-Adapter 12v 3a converts high-voltage AC from the domestic electricity supply system into low-voltage direct current suitable for use with electronics technology. This adapter comes with short-circuit protection, over-voltage protection, and over-temperature protection. So it's safe not only for your device but also the adapter itself is always satisfied and content. Such an adapter is typically used in devices like routers, home gateways home modifications and many other small household electronic devices that require a stable 12V power source.With universal design and a great compatibility for multiple devices, it's user-friendly. Make use of it now to have the support you need!