DESC: This sleek monitor was designed to make it easy to stay in touch with baby. There are sound-activated lights on both sides of the receiver so its easier to see babys activity from wherever you might be in the house or yard. Theres also a built-in nightlight on the transmitter to help you see better when youre peeking into the nursery. And with two channels to minimize interference, youll have a crystal-clear connection up to 400 feet!