... printing, never fade CE,ROHS,FCC waterproof USB numberic keyboardslim keyboard, computer keyboard, keypad, usb/ps2 keyboard, waterproof keyboard, media keyboard ... keyboard design,water proof design,silk print2.Membrane key switch,noise free3.Key stroke life time:1000,000 cycles4.Multiple language ... 9. 19 keys +3 hot keys10.PS/2 or USB available 11.programmable keys available About us:We are factory ...