Philips Door Security & Furniture Video door intercom 615757 - Philips 531003, The Philips 531003 Video Door Intercom features a two-wire connection for seamless communication. Ideal for residential security, it provides clear video and audio interaction with visitors. This additional monitor enhances coverage and usability in multi-room settings. Philips 531003 WelcomeEye Additional Monitor 7" Colour Screen User-Friendly
