How does a video doorbell work?

How Does a Video Doorbell Work? A video doorbell is a smart home device that acts as a traditional doorbell with integrated video surveillance and communication capabilities. It lets you see, hear, and speak to visitors at your front door through a smartphone, tablet, or smart display—whether you're at home, at work, or on vacation. With features like motion detection, night vision, and cloud video storage, it adds a strong layer of security and convenience to modern homes. Key Components of a Video Doorbell Understanding how a video doorbell functions begins with its hardware. A typical device includes several critical components: 1. Camera The camera is the heart of the video doorbell. It is usually a wide-angle, high-definition (HD) lens that records or streams video when motion is detected or the doorbell is pressed. Many models include infrared LEDs or night vision sensors, allowing them to function effectively in low-light conditions. 2. Microphone and Speaker Video ...