Specification Brand : ATO Label : ATO Manufacturer : ATO MaterialType : iron Model : GK3000 SP1S1-004 PackageDimensions_Weight : 8.58039123704 PackageDimensions : L:12.949999986791 X W:10.199999989596 X H:9.3299999904834 PartNumber : GK3000-SP1S1-004 ProductGroup : Home ProductTypeName : CONTROLLER Publisher : ATO SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/41eXsd5d3LL._SL75_.jpg SmallImage_Width : 75 Studio : ATO Title : ATO 110V VFD, Single Phase 110V Input Single Phase or Three Phase 220V 0~400Hz Output VFD Variable Frequency Drive, 16A 5 hp 4kW VFD Inverter for Motor Speed Control Weight : 8.6 WeightUnit : pounds