This 12v 2A adapter is a compact and efficient power, great for converting larger voltage inputs to a stable 12v 2a output. Its main duties are linking the system to ground and offering a stable voltage for any electronic devices that require it. Such devices include small consumer electronics, automotive accessories, and LED packets. Modest protective features, like insurance, short-circuit protection and over-voltage protection. Not only is it reassuring to the user, in such cases that power becomes unstable as a result of an electrical problem, but even if the electric circuitry-controlled by intelligent IC technology buried inside were to fail and break down of its own accord, you can be sure that. This adapter is a perfect choice for applications--both indoors and out--where your powering needs change frequently.