Seiko Smart Label Printer 420 Win/mac Os - Prints 2 1/8 Wide Label Size [Nom] - 2 1/8 in Operating System Compatibility - Windows 2000, Nt And Xp And Mac Os X Post-Consumer Recycled Content Percent [Nom] - 0 % Power Source(s) - Power adapter Pre-Consumer Recycled Content Percent [Nom] - 0 %