1.Power source 2.Factory selling, punctual delivery 3.Short circuit, overload protection ... ,FCC,ROHS 5.2 years warranty 12V 15A 180W electrical power source Features:100 ~ 240VAC universal AC inputSmall volume,light weight,high ... , Tolerance is the sum total of the voltage setting error, voltage regulation factor and current adjust rateDetailed pictures: 12V 15A 180W electrical power source