1.US version computer keyboard for ThinkPad T60 T61 R60 R61 Z60 Z61 R400 R500 T400 T500 W500 W700. 2.Replace your broken or unworkable part with a new one. 3.Each item has been checked and in good condition before shipping. 4.Highly recommend professional installation. We will not be responsible for any damages to your device that you may cause during the changing of replacement parts.