If you are looking for a smart home security system that is truly worth a try, the Netatmo Smart Door Lock and Keys is what you must look forward to. The keys in this system are customizable, impossible to duplicate, and you can deactivate or reactivate them with just one click from the app. These smart keys work just like any other conventional key but if they are lost or stolen, your home’s security is not at risk. With the app, you can also activate a new set of Smart Keys by yourself. Or, you can use your smartphone as a spare key in case you leave yours in the house or someplace else. From withstanding physical as well as electronic attacks, this smart door lock and keys sets benchmark in home security systems. They bring back the traditional lock and key but with a smarter design.