1.Hotel dnd doorbell switch,input vol-220V 2.Application:Hotel 3.Features:Display room No.,service requirements,such as DND

Item: dnd doorbell switch

Size:R= 150

There are  2 kinds : 

1.(Low voltage12V) doorbell switch:Use together with whole system(Bedside control panel,Master control case,Energy saving switch,and so on).Input voltage is 12V.

2.(High voltage220V) doorbell switch:Don't need to use together with whole system,and can use  independently.That is mean you can directly connect it to 220 Power source wire,because its input voltage is 220V. 

 

Function and Feature: 

1.Can display The number of hotel room ,Do not disturb , and so on.Match a doorbell to use together.

2.With doorbell button

3.Its background light of keystroke is blue,it is easy to distinguish.