The model of Door Bell included is SHT-CN511. Can't expand additional videophone , only 1 vedeophone + 1 door camera. This videohone is covered with protective film , after installation, please peel the protective film. If you connect Samsung doorlock, then you need additional connecting modul set.
Thank you very much for your interest! This item fits for only 220V/60Hz! If you tell us when you are ordering two or more products.
This product never opened original. Most products we sell have. And if customers make a mistake on the product and it has some fault- we will try to fix it at the Lowest price.The item "SAMSUNG SHT-3527XM 7 Video Door Phone DoorBell Door Camera Intercom Touch GUI" is in sale since Thursday, October 29, 2015. This item is in the category "Consumer Electronics\Home Automation\Intercoms & Access Controls". The seller is "ilovemio" and is located in Seoul.
This item can be shipped worldwide.