Specification Binding : Office Product Brand : Panasonic Label : Panasonic Business Systems Manufacturer : Panasonic Business Systems Model : KX-TDA5172 PackageDimensions_Weight : 0.8000000000000002 PackageDimensions : L:10.599999989188 X W:6.899999992962 X H:2.399999997552 PartNumber : KX-TDA5172 ProductGroup : Home Improvement ProductTypeName : PHONE Publisher : Panasonic Business Systems SmallImage_Height : 65 SmallImage_URL : http://ecx.images-amazon.com/images/I/21YWtdVT7gL._SL75_.jpg SmallImage_Width : 75 Studio : Panasonic Business Systems Title : Panasonic KX-TDA5172 8-Port Digital Extension Card Weight : 0.8 WeightUnit : pounds