This monitor and system are fantastic. We have one for our two year old and another set up for our upcoming addition. The resolution of the camera is so clear that I can literally SEE my son breathing. This coupled with the breath tracking has brought so much peace of mind to my family. A video tutorial walks you through setup (which is quick and simple), and the app is beautiful. You can choose to leave the sound on even when not in the app if you want to listen while doing something else on your device. Customer service is prompt and helpful if need be. Super cool technology and highly recommended!