This doorbell system was very easy to install and there are many chimes to choose from. The only challenge I had was getting the peel 'n stick buttons to adhere to the door frame. So, for the screen door, I simply stuck it on the screen door frame which has a smooth/non-porous surface. The front door was a bit trickier but museum/mounting putty helped that to work and still cover the hole from the original wired doorbell. Overall, great value and quick to install.
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