video intercom system

Video intercom system Indoor phone V-17 Functions:
SMT with high integration and strong stability
Handsfree, video intercom, inner intercom, monitor, unlock, and call guard unit (optional)
11 melodies for ring selection
Password, avoid-disturbed, and alarm functions
4 or 7 alarm zones to connect with different detectors (for security indoor phone)
It may connect with doorbell, arm/disarm switch (for security indoor phone)
Arm or disarm the alarm zones by card or password (for security indoor phone)
Accepted to connect with extension indoor phones
To connect multifunctional module will be with storage more than 100pcs pictures and message broadcasting functions (optional)
Technical parameter:

Display: 5, 5.6, and 7-inch TFT
Resolution: 960 x 234 (5, 5.6-inch)/1,440 x 234 (7-inch)
Backlight: CCFL
Video input: 1Vp-p/75

Video intercom system Indoor phone V-17;CE and ROSH certificate,7"color display.alarm function,picture memory