'- High performance lifetime solid state LED rated at 65,000 hours- Fully adjustable light intensity control. On/off and 0 – 100% adjustable- Extreme battery life. 4 hours run-time on full power. Over 32 hours at 25% power.- Limited Lifetime warranty on housing, 5-year warranty on electronics- Replaceable 26650 Lithium Ion rechargeable batteries.- Use handheld or gun scope mounted- Variable focus for adjusting spot to flood light- Light-up predator’s eyes at over 800 yards- Light weight and portable- Designed, Engineered, & Manufactured in the USA- Operating Temperature 14F(-10C) to 120F(50C)