VIDEO DOOR PHONE Outdoor Unit (Camera & Doorbell) A camera with a built-in microphone and speaker for two-way communication. A call button for visitors to press. Sometimes includes night vision, motion detection, and weatherproofing. Indoor Unit (Monitor & Controls) A screen to display the video feed from the outdoor unit. Microphone and speaker for communication. Buttons to unlock the door (if integrated with an electronic lock). Types of Video Door Phones Wired VDP: More reliable but requires professional installation. Wireless/Wi-Fi VDP: Easier to install and can be connected to smartphones. Smart VDP: Can integrate with smart home systems and allow remote access via apps. IF ANY QUERY CONTACT SOHAN LAL GUPTA & CO. MOBILE NUMBER: 8650333361