One of the things that I always consider with today's electronics on consumer items is longevity. When shopping for some appliances recently to replace an oven/range and microwave the salesman said that nothing being made in the appliance industry will last more than 7 to 10 years because of all the electronic bells and whistles. Items I was replacing and still looking to replace (washer/dryer) are over 20 years old. I think this is the same with biometric and rfid in consumer products.
Will they last longer than a smart phone? Are parts available for the electronics from the manufacturer like the fingerprint scanner or circuit board? I can answer this question with a no, they are throw away products when something fails.
The other thing is how reliable are they? It's one thing to be able to keep your kids out, but will it also keep you out right when you need it? Go on Amazon and just look at the reviews. One of the ones mentioned in this thread has over 40% reviews that are 3 star or less and that is after Amazon skews the results (read their policy). Would you buy a gun and use it for self defense if it only worked as expected less than 60% of the time?
I can tell you that my mechanical handgun safe is very fast, secure and reliable. It is over 8 years old and works the same as day one. In the unlikely event that I do wear out the lock over time, I just buy a replacement. I like gadgets as much as any guy, but not for my defensive guns storage. For the record, I wouldn't buy a smart gun either
