Isnatch Color Video Intercom with 4.3" Monitor, Single Family Video Intercom, 4 Wire Camera Intercom and Electric Lock

Specifications:
-Connection: only with 4 wires.
-Waterproof camera: IP44.
-Tag: name plate.
-Function: Night&Day.
-Flat screen monitor: 4.3".
-Melodies: 16.
-Button: door opener.
-Expandable: to 2 other same internal monitor units.
-Monitor dimensions: 175x223x57 mm.
-Camera dimensions: 97x142x421 mm.
-Code: 67.8400.10