usb interface with 2 extra usb hubs and 1. 8 meter cable
"fit with 19"" rack drawer & kiosk application (compatible with cherry g84-4400 design)"
if your alphabet typing appear with numbers (like j, k, l, etc), you may press fn + numb lock two keys together to enable or disable the number lock function
system requirement: windows 7, 8, and 10; 12 months limited