The Specification of call button K-M :

•  1. water-proof  Call Black
•  2.work with our receiver to combined the wireless calling system
•  3.Can be installed on each table,when the customer need help only press the button,the
• calling  no will be shown on the screen,so everyone can easy to know who is calling.

Technical Parameter:

• Working voltage: DC12V
• Working current: ≤35mA
• Use Frequency:  315MHz±75k
• Transmitted Power: ≤20mW
• Transmitted Distance>300m in open area