When an animal can survive for longer, there's a selection for genes that provide longevity, because they can provide a real advantage, Jay Olshanksy, a public health researcher who studies aging, told me last year for an article about the naked mole rat, a rodent that can live for up to 30 years.
This is it, the 5.11 Tactical Series Light for Life PC3.300 flashlight. Unique to this flashlight is that it uses Advanced Capacitors, rather than batteries, to store energy. With a charge time of only 90 seconds and low weight, the Light for Life PC3.300 promises many improvements over conventional power sources. Key Specifications
The life expectancy of the bulb in an LED flashlight ranges from 50,000 to 100,000 hours. Also, because LED lights are energy efficient, consumers will find that each fully charged set of batteries will last more than twice as long as when powering flashlights with incandescent bulbs.ctually, the answer is dependent on the type of the LED light that is being used. Some LED lights are rated as having a life span of 100,000 hours while others are rated at 50,000 hours.