Just got this a few days ago in preparation for our 2nd child. I plugged in the monitor in the bedroom and one receiver in the living room to see how well it worked, and it works great! The TV was on in the living room which I could clearly hear in the monitor, then had my daughter pretend to cry and make noise and that's when the lights came on signifying "baby activity," which is what you should expect. The background noise was not overbearing, and there was no static. We live in a small house, so not sure how well it would do from a distance further from the base, but at small range its been great. It is very lightweight without batteries in it, so it easily topples over when plugged in. I'm giving it a 4 because although my test run went well, I'm yet to see how it does for a longer period and with an actual baby. Overall, I'd say great price for the quality.