These devices are designed to grant entry in a variety of ways, including physical or digital keypads, biometric fingerprint scanners, mobile app integration, and even voice control with the appropriate pin or pass phrase.
The modern solution to this kind of hassle? A keyless door lock. Home security is of paramount importance, but fumbling with your keys while juggling packages, especially in nasty weather, is a real pain-if you can even find your keys, that is.