Detailed Product Description

Intercom system Indoor phone V-9 Functions:
SMT with high integration and strong stability
Handsfree, 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 multi-functional module will be with storage more than 100pcs pictures and message broadcasting functions (optional)</ul>
Technical parameter:<ul>
Display: 4-inch CRT/ 4, 5, 5.6-inch TFT
Scan frequency: 15.625kHz/50Hz
Resolution: 400TVL
Video input: 1Vp-p/75 ohms
Audio S/N: ≥50dB
Audio distortion: ≤5%
Working current: ≤100mA
Environment temperature: -10 to +55
Dimension: 253 x 347 x 67mm
Installation: flush mount