The Ring Video Doorbell 3 plus is the newest addition to the Ring family, with certain inclusions and other essential features, it has become the most advanced wireless, battery-operated smart doorbell. It is extremely convenient and is easily transportable, moreover can be installed in minutes and has been adjusted to deliver a sharp 1080p video.Doorbell 3 plus offers motion detection and will reinforce the Amazon Alexa voice commands. It also has the Pre-roll buffering technology, which has the ability to capture a four-second video before a motion event. This technology was not present in its predecessor, the Ring Video Doorbell 2; it features the company’s Pre-Roll buffering technology that captures four seconds of video before a motion event. Moreover, to conserve the battery life, the video is shown in a lower black and white resolution.