Secret Knock Detecting Lock

This lock system is something interesting in the fact that it operates based on the knock rhythm you load it on to this system to unlock, it doesn’t uses any system to lock itself, you need to manually lock your locks but with this device installed you can only unlock it using the specific rhythm of knock you have already instructed in to this system.

I frankly think this device can be improved further with more functionality otherwise it can be troublesome sometimes, for example what happens if someone forgets the rhythm which they have instructed the system to unlock the doors? Product should be improved further for sure but still I love this gadget.

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