DC 5V-1A Medical appliances Power Adapter – BIS Approved A Small size switch with wide-voltage input. It also provides accurate stabilivolt. This medical power adapter provides multi-protection against over-loading and over-current. It also provides protection against short-circuit and over-heating. 100% over-loading aging test guaranteed. This medical power adapter is of high efficiency and long life It also provides great stability. Easy to use with nice design and simple maintenance