KR-300 PLUS Restaurant Waiter Call System

1. Can work with 500pcs 1-key and multi-key transmitter in max, 2. Can show 3 group call number in one time  3.Show 4-digit number from 0001-9999 and first letter can be A-Z, 4.Can indicate different service type via words or letter. ( call; bill; drink; dessert; help etc and A-Z), 5. Can record when the call come in and count the call times of each number
6.Can track the history calls by up and down, 7.Shows current time when stand-by, 8.3 reminder ways: sound promt and vibration or both , 9.Battery is rechargeable 10.Dimension:50*41*16mm Color: Red and Black and Green