40W, 5V,8A Switching Power Supply, product dimensions:110x78x38mm 40W, 5V,8A Switching Power Supply, product dimensions:110x78x38mm.High reliability, low cost.Built-in ... frequency....................47~63Hz Line regulation (full load).......≤±0.5%Output voltage adjust range.......105~120%Current limtiting,Auto recoveryWithstand voltage ... requirements by e-mail or telephone now. Switching Power Supply