The 12V 1000mA AC DC adapter has many practical benefits for potential customers. First of all, by converting an AC charge into a DC signal, this instrument will permit you to operate devices that require DC input. Secondly, with a steady output voltage of 12V, it is able to prevent any fluctuations in power flow from damaging sensitive electronic circuits or data storage media. Thirdly, the design of the adapter is energy-saving, so electricity consumption is reduced and utility bills are lower. Also, safety features such as overvoltage and short-circuit protection on the adapter itself ensure not only will your equipment remain intact but also that no harm can come to your home. Lastly, this adapter is so small and portable. Wherever you go it goes with you and will be well stored, without taking up valuable living space.