This professional flashlight boasts X-Lens Technology™, which focuses two LEDs into a single 450-lumen beam. The Advanced Focus System seamlessly projects light up to 350 meters for 1.5 hours on high power or 70 lumens 140 meters for 10 hours on low power. Simply sliding the bezel with your thumb adjusts the Rapid Focus™ system to quickly adjust the beam for near or far viewing. Smart Light Technology™ provides eight advanced functions – Morse code, boost, power, low power, dim, blink, SOS and defense strobe. Water-resistant. Runs on four AA batteries (included). Length: 7.48". Weight: 14.8 oz.