Add a $15 Doorbell to Any Home or Apartment, No Wiring Required

Just because your house or apartment doesn’t have a doorbell doesn’t mean you’ll have to rely on knocking like a caveman. This $15 kit (or $19 if you want two receivers) has everything you need to install one, no wiring required. It’s also IPX-6 water resistant if your porch isn’t covered, and you can even choose from…