Specification Binding : Electronics Brand : GSDT Label : Global Source Digital Technologies Manufacturer : Global Source Digital Technologies Model : 61115 PartNumber : 61115 ProductGroup : CE ProductTypeName : PHONE Publisher : Global Source Digital Technologies Size : 20 Pack SmallImage_Height : 75 SmallImage_URL : http://ecx.images-amazon.com/images/I/31YfiLyg7KL._SL75_.jpg SmallImage_Width : 50 Studio : Global Source Digital Technologies Title : 20 Pack of Power Supply Adapter for Polycom VVX150 VVX250 VVX350 VVX450 VoIP Business Phones | UL Listed - 2200-48872-001