st1619: How to Unlock a Padlock without a Key or a Combination

Master Lock Bluetooth Keyless Padlock 4400 Series Review

It seems like we are using bluetooth for everything today.  How about unlocking a padlock?  Master Lock has released the 4400 series of padlocks which know when you are near and authorized to open the lock and let you gain access without a physical key.  But what happens when the battery fails or what happens if you don’t have your phone?  We answer those questions and more in this episode.



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