This product is mainly used to monitor the babys action, whether you are in the study, sitting room, or in the kitchen, the babys every move is in our hands. This product built-in voice transmission function, the audio and video synchronized transmission that you no longer need to stare at the screen to understand the babys situation. The product have the music player function meanwhile, so that your baby will slowly fall asleep in peaceful music. More functions, waiting you to discover...Finally, we sincerely hope that babies can grow healthy in a warm and happy family