Merryking Electronics from the start has been a purveyor of quality electronics as the electronics company started in 2005. Our 12V 1Amp adapter is one of th e best-selling products. Raw materials are sourced from different locations around the world and are chosen based on how optimal they are to the process of manufacturing. Quality products are made in clean rooms and subjected to electrical and thermal testing to meet and comply to international safety standards. A limited 3 year warranty is offered because we are confident about the quality of the products made. We are dedicated to fostering the best to the customers as the best electronics is what is needed from us. Our 12V 1Amp adapters are among the most preferred around the world.