Homes need keyless locks for several reasons. Having to juggle with the bags of groceries while you are hunting for your misplaced keys is a frustrating experience.
You can never be too sure who to trust these days, and even if you have the most secure entry and exit points, the smartest perpetrators could still get past them.
Security surveillance cameras can be handy in deterring crime. In case a crime does occur, they serve as a trusty witness that can help you and the authorities identify the people involved.