A smart baby monitor is a device that allows parents to remotely monitor their baby's sleep, movements, and other activities. Many smart baby monitors come with features such as video, audio, and motion sensors, as well as the ability to remotely pan, tilt, and zoom the camera to get a better view of the baby.

The Sense-U Smart Baby Monitor 3+ is a multi-functional baby monitor that includes a camera, audio, and video capabilities, as well as a number of sensors to track the baby's movements and well-being. It has a breathing motion sensor that detects the baby's breathing patterns, a rollover sensor that alerts parents if the baby rolls over while sleeping, and a feeling temperature sensor that helps parents keep track of the baby's body temperature. The monitor also has night vision, two-way talk, and motion detection capabilities, allowing parents to see and hear their baby from a distance, and to be alerted if the baby moves or makes noise.

Smart baby monitors can be a useful tool for parents who want to keep an eye on their baby while they are sleeping or busy with other tasks. However, it's important to keep in mind that no device can replace the constant supervision and care that a parent provides for their child. It is always important to follow safe sleep practices and to never leave a baby unattended.