lightweight and durable [SEP] it is only getting stars because it is hard to rate an emergency tool without using it in an actual emergency but i have had it plugged into my car for over a week and so far i am pretty happy with it it feels durable without being clunky it includes a flashlight very handy for nighttime emergencies window breaker seat belt cutter and usb port so you can still charge your phone while it is plugged in i particularly enjoyed the little credit card multi tool that comes with it would recommend