This monitor has a problem with the on off volume switch. It sometimes gets interference and the volume is extremely loud and the volume can not be adjusted lower. I had to turn it on and off several times which fixes it. Also I have found when I want to move it from room to room I unplug it without turning it off first. Using the on off switch as little as possible. Although I have had a problem with this monitor it has some good benefits too. It has night vision. When the room is completely dark you can still see the baby. The microphone picks up every little sound in the room and the price...