KR-K400-R

1. Can work with 500pcs 1-key and multi-key transmitter in max Can show 3 group call number in one time Show 4-digit number from 0001-9999 and first letter can be A-Z Can indicate different service type via words or letter. ( call; bill; drink; dessert; help etc and A-Z) Can record when the call come in and count the call times of each number Can track the history calls by up and down Shows current time when stand-by 3 reminder ways: sound promt and vibration or both Battery is rechargeable Dimension:70*42*16mm.