433.92mhz kitchen call waiter system
waiter watch pager support 500 number in max
new charger port for wrist watch
waterproof silicone for table button
1. 3keys and waterproof silicone for simple call button
2. queue display can show last number and current calling number
3. Ticket Dispenser to make the ticket for the customer
4. Create pleasant environment, enhance restaurant image
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