Missed that, thanks. Now that’s more reasonable.
I bought one right after the Fukushima accident but I had been meaning to buy one for years but kept procrastinating.
Works great too. A year ago I had a nuclear stress test done where they injected me with a radioactive dye. The thing started chirping but it was in my pocket and I had no idea where the sound was coming from. LOL! I thought I was losing my mind.