2-Wire IP Modular Residential Door Station The Dahua VTO4202FB-P-S3 is a modular IP camera module for door intercom systems in the VTO4202FB series. Featuring a 2-megapixel camera, a horizontal field of view of 168.6°, two-wire and PoE support, and remote access via the DMSS app, the module is suitable for professional door communication systems in apartment buildings and commercial properties. The rugged aluminum housing with IP65 and IK07 protection ensures reliable outdoor use.