Movement monitors focus on the baby’s movements and vitals. Sensor pads are placed under the mattress to detects breathing and movement Some model have wearable sensor pads. The monitor transmits information to the parent’s monitor with some being able to send information to an app on your phone or ipad. This allows you to store this for your records.
The inbuilt features of the monitor will dictate the functionality available to you as not all monitors have a sound or video function.