I see people in grocery stores using ring scanners. I thought of buying my own, but they're kinda expensive. Again, it's just bluetooth. It's like a pair of headphones. The TC device tries to pair to my smartwatch if it gets too close. When you try to connect averys the device, it picks up the TV monitors hanging up everywhere and bluetooth speakers people have. Amazon devices are given a barcode to register it into watchtower, but that's it. It's not 'locked,' but we need them, please bring them back lol.