1. Talk: when the “call” button on outside door was pressed, the music will be triggered at home. In 20 seconds, if press “call” button on indoor monitor, the talk process is established. Video picture can be viewed on indoor monitor. After talking and press “call” button on indoor monitor, the talk process is ended. If not press “call” button after music started for 20 seconds, the music will automatically stop. The maximum talk time is 90 seconds.
2. Monitor: In idle state if you want to view the outside video picture, press the “Monitor” key. Press again will stop the video viewing.
3. Unlock: If you have installed electronic controlled lock with the system, you can use the “unlock” key to open the door when in intercom mode.
4. Select music: There are 3 kinds of music for user to select.
5. Select music volume: There are 4 volumes for user to select.
6. Adjust screen brightness
7. If one outdoor camera connects with 2 indoor monitors, you can call between 2 monitors.
8. Default camera is CMOS, CCD is optional and extra charge.
9. Hot function: one outdoor camera can support four indoor monitors; and one indoor monitor can support two outdoor camera.

Power	DC 14V
Camera	CMOS 300000 pixels. Angle of view is 90 degree
Illumination	6pcs infrared light
Lens	1/3 CMOS 380TVL
Size	125*185*60mm

Power	Input: AC 100-240V, 50/60Hz; Output: DC 14V
Screen	7” TFT
Resolution	960*234 pixels
Communication Mode	Handfree
Wire connection	4-wire connection
Chime Melody	3 chimes
Max. power consumption	20w
Size	229*162*33mm

1. Operating temperature range: -15°C to +55°C
2. Operating humidity:  <85%