... ,500w,1kw,3kw,5kw for choice. feature:1.Modified sine wave with greater than 85% transfer efficiency. 2.LED indicators:Green ... failure. 3.Pure DC voltage input with low distortion. 4. Two output voltages: AC110V/220V Shipping:By courier(DHL/UPS/TNT ... testers, jewel consumables, polishing machine, bristle brushes, polishing buff etc. Two output voltages AC110V/220V & Car power Inverter