... quality 4. good price 36W, 12V,3A Switching Power Supply, product dimensions:85x59x38mm.High reliability, low cost.Built ... 47~63Hz Line regulation (full load).......≤±0.5%Output voltage adjust range.......105~120%Current limtiting,Auto ... also cover consumer electronics and car electronics including power suppliers, mini DVR, car cameras and car ... or telephone now. Good Quality Switching Power Supply