Just a little tip: we can get that information from the product page, I think most of us would prefer if you instead introduced yourself, explained the backstory, maybe some technical details, etc.
Nevertheless, a very interesting product and congratulations on launching. I couldn't work out how big the device was, however. I was wondering whether it would fit on the back of a watch (whilst the watch isn't being worn, I mean). If this was small enough, I could see this being very valuable for watch collectors.
We already have a working Sleeping Beauty hardware prototype and iPhone app. The size will be like a hockey puck. Sleeping Beauty uses a low self-discharge nickel–metal hydride battery(LSD NiMH). After 2 Years in sleep mode there is still 75% energy left.
For your watch I would recommend a NFC solution which is much smaller but you could protect the whole cabinet with Sleeping Beauty. I also just got the feedback to use it for a firearm locker - so there are many use cases.
Just to be clear: tracking your dog with Sleeping Beauty will discharge the battery within a short period, just like any other device. But Sleeping Beauty will protect the Porsche convertable in your barn for two years instead of two months.
I was wondering about the size too. One picture has a matchbox for comparison, based on that it appear to be the size of a hockey puck (about 8cm diameter) .
Nevertheless, a very interesting product and congratulations on launching. I couldn't work out how big the device was, however. I was wondering whether it would fit on the back of a watch (whilst the watch isn't being worn, I mean). If this was small enough, I could see this being very valuable for watch collectors.