Some about content here.

Kevo

We've seen add-ons for locks to try and make them smarter, but it's about time the locks themselves gained some intelligence. Kevo ($220) is the first we've seen. This smart deadbolt uses Bluetooth 4.0, your iPhone, and a companion app to let you open your door using nothing but your finger. A ring around the lock lights up blue when it senses your presense, and turns to green once you've unlocked your door. The set also includes a wireless keyfob that offers the same functionality, and should you need to resort to old-school ways, it'll still open with a standard key, as well. Coming this summer.

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