Function:

1.Video and intercom functions;

2.The ringing can be designed as chord according to peoplesfavor and there are 11 songs to be chose;

3.The security indoor phones have multi-alarm function that mayrealize to send alarm information during intercom;

4.It can be connected with Elevator that controlled by indoorphones, cards and password;

Technology Parameter:

Display: 4" CRT/TFT-LCD

Scan Frequency: 15625Hz  50Hz

Resolution: 400TV lines

Video output: 1 VP-P /75Ω

AF Distortion: ≤5%

AF S/N: ≥50dB

Temperature:-10°C 55°C

Size: 210mmx230mmx70mm

Installation: Surface mount

Apply to:  Direct-call intercom system, Codingintercom system,  Door to Door intercom system, Door to DoorVilla system and Single Villa system.

Video Door Phone with 4 Inch CRT/TFT-LCD Display, 4 or 8 AlarmZones