... of AC socket could changeable according to customer's demandFeatures:Patent program,Double soft start, Low interference,Stable pure sine ... of AC socket could changeable according to customer's demandFeatures:Patent program,Double soft start, Low interference,Stable pure sine ... 's demandFeatures:Patent program,Double soft start, Low interference,Stable pure sine wave output. How to order? 1.Model No. 2 ...