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By certification 
Analog audio door phone system
* This is a very simple but useful audio door phone system for multi apartments buildings.
* Four wires to connect all devices..
* Press apartment number, you can answer by handset and intercom with visitors.
* ID cards&Passwords unlock the door.
* Easy to DIY install.
Products details:
Material: |
ABS plastic |
Communication interface: |
RJ 45 |
Installation: |
Surface mounted |
Working temperatures: |
-20 to +60°C |
Functions: |
Intercom/Indoor unit unlock |
Where to use: |
Multi- apartment buildings |
Warranty: |
2 years |
Why choose us:
1. Twenty Years experienced manufacturer in video door phone products and smart cameras with CE, FCC,and ISO certificates.
2. Strong R&D innovation ability facilitates OEM & ODM services.
3. ISO 9001 standard approved.
4. Factory wholesale,short lead time and long warranty term.
5. OEM and ODM approved.
6. We can print customer logos and design unique package for you.
7. Multi doorphone system for choose: TCP IP system/ Analog video doorphone system/Wifi doorbell etc.
http://www.v-doorphone.com/
