Seco-Larm 7 IN Handsfree Video Door Phone w/ 700TVL 2.1mm Lens

Simple 2-wire connection
Remotely and securely talk to visitors and unlock doors, gates, etc. from the monitor
Easily connect 2 additional monitors and an additional camera
Camera has four IR LEDs for nighttime operation
Built-in microphone and speaker for hands-free two-way communication
Soft-touch button operation
Weatherproof IP65 (camera only)
Adjustable color tone, brightness, speaker, and ringer volume
700 TV Lines resolution, large 7" screen