Specification Binding : Electronics Brand : Panasonic Label : Panasonic Business Systems Manufacturer : Panasonic Business Systems Model : KX-TDA5171 OpticalZoom : 0 PackageDimensions_Weight : 0.25 PackageDimensions : L:6.599999993268000 X W:4.299999995614000 X H:1.199999998776000 PartNumber : KX-TDA5171 ProductGroup : CE ProductTypeName : LANDLINE_PHONE Publisher : Panasonic Business Systems SmallImage_Height : 56 SmallImage_URL : https://m.media-amazon.com/images/I/51K+PFXrYDL._SL75_.jpg SmallImage_Width : 75 Studio : Panasonic Business Systems Title : Panasonic KX-TDA5171 4-Port Digital Line Card Weight : 0.3 WeightUnit : pounds