... circuit protection,over current protection,over temperature protection.3. High energy efficiency,average efficiency accord with ES&CEC08 standards. ... and competitive price, prompt delivery, so deeply win high praise by customers.Specs:1.input voltage:100~240Vac2.Input ... )11.insulation resistance:DC 500V 100MΩ(min) white switching power supply for digital products with 60Hz frequency,output 12w max ...