Here is another smart lock that lets you use your smartphone to unlock your door. The Otto Lock doesn’t have any key holes or keypads, so it is more secure than some of the other locks we have seen. You can twist the combination lock or use your smartphone to open this.
More gadgets like this: here
The lock connects to your WiFi network with and has sensors to detect when your smartphone is range. The app lets you set up guests and unlock your door remotely.
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