Vellux Wireless Service calling system guest call service call
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* 5 kinds sound and 14 step volume control
AM type Good working and simple inrtallation
Power AC 220 V DC 12 V adapter
* Useful solution
 For restaurant/cafe/Coffee shop etc
For Hospital / Hotel /Mart /Factory / Spa Salon / any guest & Service area
 * Reasonable Price System 
 1 moniter+ 10 call bell =109 +89 =U$ 198 only
 Just buy call bell only when the system increased