All 17 tactile keys are programmable, up to 1800 characters per key with programmable inter-string delays Includes powerful Windows-based programming utility Create program layout for multiple keypads - programming utility saves templates in data files No programming accessory kit, TSR program, or battery required High quality, stainless steel dome disk switches last more than 3 million cycles Standard computer 101 keyboard output data format Data set includes all alphanumeric, control, function and optional international output codes True keyboard wedge function, operates with or without computer keyboard PS/2 interface (cable included) I/O ports allow daisy-chaining of other input devices Internal beeper Various legend sheet options available Legend Sheet B