4.Credit Card Light Bulb

No one knows when the power might go out, but it’s good to be prepared for an emergency. This smart gadget will make it much easier to carry a flashlight with you. Yes, we know most smartphones have flashlights built in, but most smartphones also have a tendency to run out of charge pretty quickly.

Ask yourself, when was the last time you actually carried a flashlight with you? Probably when you were a kid. With this smart gadget you can always carry a small portable flashlight in your wallet. It looks just like a credit card and is about the same size.