Do you need Video Door Intercom? Have you ever wondered who the visitor is in front of your door before you open it? We are so excited to recommend you this Video Door Intercom.This is a 7" LCD Monitor with 1/4" SHARP CMOS Color Camera Video Door Intercom. No radiation, low power consumption and high definition. Aluminum alloy panel of indoor unit, fashionable and luxury. Water & Oxidation-proof, durable aluminum alloy made outdoor station. When the doorbell is rung, the picture of the visitor will automatically be displayed. Video Door Intercom new trend lead the world, embodies the high-end luxury. You can even communicate with them without opening the door at all or let your guest inside by pressing the "unlock" button of the Video Door Phone System to open the electric door.Phone Intercom System will be a good doorman!