We are always trying out new gadgets. Love to find new items that are great for a survival situation. These are going in our bug-out bags. The American Red Cross Blackout Buddy H2O water-activated, emergency light, pack of 3, 
Work great. We were surprised about how bright they actually are. Put a drop of water in the bottom and it lights up!! The only bad thing is it stays lit for about 3 days!Something to put in car, bug-out bag, or anywhere to have a quick light.