This item is a total waste of money. We bought one, which worked for a couple of days and then stopped working, so got a replacement, which never worked at all! The power cable in the parent unit kept on falling out, the interference was atrocious on both channels. We have now bought a digital monitor for very little more money and so far so good, so we would say spend a little extra and get something that may actually work! It's also worth mentioning that this item is seriously over-packaged - Fisher Price should be ashamed of themselves, creating so much rubbish to go into landfill!