A:AnswerYou don’t have to affix anything to your phone. Just press the Tile that is on your keys, wallet, luggage , remote etc and it will ring your phone. I absolutely love Tiles. They organize my life.
A:AnswerFor a dementia patient, you're more likely going to want to use some kind of elderly alert service, where you could put a bracelet on the patient and allow a monitoring service to track them via GPS (and locate them more than 150' away if necessary).
A:AnswerYes you tertally can! You’d have to cut open the tracker with something very sharp. Replace the battery afterwards and then seal it back up with melting plastic over it making it waterproof!