... transformer output, safe and credible,7.Auto-protection and alarm for output overvoltage, over current, overheat, short circuit,8. ... Efficiency reach above 90% ,widely applicable load,for inductive, capacitive resistance,any combination of the load,9.Dynamic ... 0.1WWork efficiencyefficiency more than 90%, be suit for wide-load, can be for the inductive, capacitive, resistive, and any mixed ...