US$5-199

Function
Two way communication video transmission door release
One button support one unit room
Compatibility of video and audio indoor phone
Power indicator
Capacity: 3....

US$5-199

Function
Dual communication, monitoring, release door
Handset communication
Adjustable brightness and contrast
Chord melody is changeable ( 13 music for option)

....

5-199

Function
Dual communication, monitoring, release door
Inner calling
Hands free communication
Adjustable brightness, color, contrast and ring volume
Adjustable talking volume
....

5-199

function
Dual communication
Handset communication
Remote control unlock ( Just available at communication)
Ringing tune: Dingdong

Specification( indoor phone)
Housing: ....

5-199

Function
1.Wireless dual communication, monitoring, release door
2.Inner calling
3.Capturing image
4.1 GB memory card ( Image storage )
5.Adjustable brightness, color, ....

5-199USD

Function
1) One button support one unit room
2) Two way communication with indoor phone
3) Compatibility of video and audio indoor phone
4) Video transmission;
5) Name input....

5-199USD

Function
1) One button support one unit room
2) Two way communication with indoor phone
3) Compatibility of video and audio indoor phone
4) Video transmission;
5) Name input....