1.wireless calling system display can show 6 groups of number at the same time
2.Wireless call system screen can Speak number and service type in english or simple "dingdong" voice
1. waitress call system display can show 3 groups of number at the same time
2. K-4-C call display can read number and service type in English or simple "dingdong" voice
1. watch can show 3 group call number in one time
2. Kitchen call systems watch can indicate different service type via words or alphabet. ( call; bill; drink; dessert; help etc and A-Z)
3. kitchen call systems watch can record when the call come in and count the call times of each number
4. watch can track the history calling info by up and down
5.wrist pager can show current time when stand-by.
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