Video Door Camera (2.87x4.8x1.73 inches) CMOS Lens Good for Fail Secure Locks
This video door camera allows you to pre-screen vistors at your door in the saftey of your own room or office. The high-quality camera also doubles as an intercom and door bell, with speakers and a microphone, allowing you to communicate with visitors at the door while you sit at the desk. Be at peace of mind and enhance your house or office security with this premium video door camera. A maximum allowance of 4 cameras to 8 monitors.

Typical Applications:
Viewing visitors at the door.
Communicating with visitors at the door.
Audio and video security monitoring.
Door bell.
Intercom.