Product review (5 stars): Useful indoor or out.
11/2016: two in gunsafes, one in the freezer, couldn't mind another channel or two.
8/13/2017  Wow.  had it 9 months now, the remote in the freezer finally needed new Rayovac Alkalines.  The two remotes in the gun safe are at 50%.  Decided I'd like to have 3 more remotes.  Upstairs, Garage, and outside...
really excellent unit.