This has been somewhat glanced over but with so many travel gadgets on the market to pick from, you can see why it would be. Yet, you know as well as anyone else, emergencies arrive without warning and you are either prepared for them or you are not. And, if you are looking to be a little proactive and want to buy a few devices that can prove beneficial in the wake of an emergency, you can. Clearly, there are many different gadgets that you could look for but just some of them are Bluetooth trackers (for your lost items), tactical flashlights, water filters, and even devices that can emit SOS signals.