MOUNTAINONE New Arrivial Wireless Digital Audiio Door Phone Password unlock / intercom system for 4-apartments | Безопасность и

New Arrival Wireless Digital Audio Door Phone Intercom System 

1 X Outdoor unit + 4 X Indoor handle sets

The wireless audio door phone can support 1 outdoor unit work with 1-99 handle sets .

                                                                     1 indoor unit work with 1-3 ourdoor units.

You can choose any quantity outdoor units or indoor units as per your request .

The outdoor camera: usd38/pc

The indoor unit: usd45/pc

Wireless full-duplex voice intercom doorbell non-visual doorbell doorbell non-visual program remote unlocking doorbell.

1. Automatic full-duplex voice intercom, voice clear and smooth.

2. open 400 meters away.(Please note: the distance is open area,the working distance we are not sure because of the obstacles.)

3. Support many indoor units can communicate with each other .

4. Automatic frequency-hopping technology, strong anti-jamming capability.

5. Unlock. The indoor unit can be unlocked by remote control, the outdoor unit can unlock password.

6. Small size, low cost .

7. compliance with FCC / R & TTE / CE certification.

Your satisfaction is our top priority so all of our products are guaranteed to arrive safely. Not only will you save money by purchasing from us but you will also avoid inflated installation expenses charged by engineers.