A camera built into the lock takes a picture of whoever is arriving. Images of visitors as well as alerts regarding entry are relayed to residents' smartphones through home wireless Internet connections.
"It is about allowing you to feel confidence and control over your home access," Bestard-Ribas told AFP. "We have all lost keys or given them to someone who left our sight; we don't know if copies were made."
Temporary digital keys, restricting use to specified time periods, can be emailed to house cleaners, dog walkers, or others who may need to visit homes. The locks were available for order online at gojiaccess.com at a price of $299 each, and will begin shipping in March.
Veteran lock makers Kwikset and Schlage were also showing off smart locks at CES.
