... all numberic or can be type of the English letters beginning.More colors for your choosing:Features01 Display ... display a group of two-digit and store 10 numbers and scrolling display ,number will be displayed in ... figures The machine can take 180 calls extension, numbers can be from01-99, the letter from the ... simultaneous display of number:1pcWith pager quantity : 180pcs Letters show: A,B,C,D,E,F,H,P ...