Specification Binding : Electronics Brand : VELLO Label : Vello Manufacturer : Vello Model : RSS1II.isolKt4 PartNumber : RSS1II.isolKt4 ProductGroup : CE ProductTypeName : REMOTE_CONTROL Publisher : Vello SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/41yJPsgmeqL._SL75_.jpg SmallImage_Width : 75 Studio : Vello Title : Vello RS-S1II Wired Remote Switch for Sony Alpha Series Connection(4 Pack)