This LED Emergency light bulb can provide you light when it matters most. Enjoy an 80% savings in use and a lifespan of 3-6 years. When faced with darkness due to the forces of Mother Nature, or even worse, you can rest assured that the survival light bulb will provide you with up to 6 hours of light. You can even extend it from the bottom to fit your hands like a flashlight. We suggest placing these survival bulbs in strategic areas of your home to provide you a way out in the unexpected darkness.