I would like to recommend that the trackers be carefully hidden if theft is the concern. I had my purse snatched a few years ago with my new Iphone, billfold with all my CC's and ID's, checkbook with bank account number, house key and car key fob, inside. I literally had to walk to the nearest police station to report the theft; call a locksmith to get into my house where I was able to use my computer to "Find My" phone which was in my purse. With the police, we drove about 15 miles to where the tracker said my phone was located, an empty ditch on a roadside about 1/2 way to another town. There was nothing found after an extensive search of the area. The police surmised that the thieves had destroyed, bricked, or turned off the phone in that location. None of my things were ever found. My point is that thieves will be looking for these trackers to toss or disable. They need to be well hidden to even have a chance of usefulness in purses, billfolds, luggage, backpacks, bikes, or other high value targets.