Table service call button can send the calling signal to a receiver, call waiter when need help.
With 12V 23A battery,
Round shape,
belongs to wireless calling system.
OEM acceptable
1. Vibrate pagers max support 500pcs call waiter buttons
2. Restaruant neck pager accept OEM. It can print any logo
3. US, EU,AU,UK plug avaliable
4. 3.7V Lithium battery