Home Wireless Intercom Video System Main Monitor - 7-inch Wide Color LCD / WVGA. - Display Language: English Arabic. - Speaker. Door Camera - Viewing Angle: Horizontal: 85° Vertical: 54°. - Image Sensor: 1.3 MP CMOS. - LED Lights: Yes. Other Features - Night Vision: Yes (LED lights) - Voice Changer: Yes - Intercom: Yes (Between main monitor and wireless sub monitor and extension monitor) - The system supports 2 door stations and 3 monitors, up to 6 wireless handsets. - PBX Compatible