We've been using this unit for three days.  It works well and looks nice.  But after only three days we want to throw it through the window!  The alarm beeps are WAY too long and they repeat WAY WAY too often!  If I'm doing dishes or something where I can't run right over when it beeps, it's just so insistent that I drives me up a wall!  For that reason alone I want to replace it already after only three days.  You have been warned!