Lockitron has just released a new cellphone-controlled keyless entry system designed for renters, sporting a raft of new bells and wireless whistles. The WiFi-connected product mounts over your existing deadbolt and lets you or those you trust control your lock from anywhere in the world by SMS or the internet. You can also unlock your door in person without lifting a finger if you have an iPhone 4S or 5, as the Lockitron will sense your approach using Bluetooth 4.0.

and, no need to worry about the repercussions of losing your phone, Lockitron features remote security options for making sure your place stays locked-up.

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