We purchased this Summer Day/Night video monitor to use in our home when the grandchildren were visiting since most bedrooms were on the second floor. It is fantastic and saves many trips up and down the stairs. Everyone rests easier being able to see if the child is actually awake or just making noise in their sleep. I think the children actually sleep longer because we are not constantly opening the door to see if they are awake. Interference is minimal and much less of a problem on this little monitor than it is on the commerical monitor that my husband uses to monitor his business. I like...review »