Vellux Wireless Service Calling System Guest Call Service Luxury Call Bell VB 400 10 ea

* 5 kinds sound and 14 step volume control
AM type Good working and simple inrtallation
Power DC 3 V CR 2032 
* 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( standard bell )
 Just buy call bell only when the system increased
 * This listing is only bells for system increasing

* Specification
 Size : 65 mm * 43 mm * 10.7 mm(H) -1 ea
 Led : blue
 working distance : 50 m
 weight : 20 g for 1 ea
 battery life : 1 year( 6,000 calls )
 option : white,silver,black wood