Are you hiding a spare house key under your door mat or under a flower pot on the front porch? This is the first place thieves will look to gain access to your home. With the thermometer key hider you will never be locked out again. Only you and your family members will know the secret place where your key is hidden. This is a fully functional thermometer that slides up to reveal the hidden compartment where the key can be hidden. Measurements are 6.25 inches x 2 inches x 1 inch.