How it Works
You have a set of 2 "Key fob" FOFAs and an additional Flat FOFA for this example.
You can set your key FOFA as #1, your wallet Flat FOFA as #2, and a keyfob FOFA on your cell phone as #3.
What you do if you lose each item.
If you lose your keys.
Grab your wallet or cell phone, push #1 on either of their FOFAs and your keys will start to beep loudly and flash, if within range.
If you lose your wallet.
From your key or cell phone FOFA, push #2 and your wallet will start to beep and flash, if within range.
If you lose your cell phone.
From your key or wallet FOFA, push #3 and your cell phone FOFA will start to beep and flash, if within range.