A Model No. RZ03-0170 Razer Blackwidow Ultimate 2016 mechanical keyboard that works like new.Firmware has been updated to its latest version. All lights are functional and responsive. The keyboard has been fully tested and there is no double-typing, and all the mechanisms work perfectly.The box includes its original foam inserts.*As this is a legacy keyboard, in order to configure the different backlight presets, Razer Synapse 2.0 is required and must be run in offline mode. I have a video of all the backlight presets working, however will only let me post one so I can send it upon request.