Video door entry (also known as a video intercom or video door phone) is a stand-alone intercom system used to manage calls made at the entrance to a building (residential complex, detached family home, workplace, etc.) with access controlled by audiovisual communication between the inside and outside. We are the Trusted Dealers and suppliers and Well known in the area of Security Surveillance products. For more details visit: https://bit.ly/2ZopmMY Contact: 9581234499, 9885888835