Ideal for professionals who holster their light, Focus Lock™ adjusts the Advanced Focus System™, which enables this rechargeable LED light to function as a far-reaching spotlight or an up-close floodlight. Smart Light Technology™ provides two power settings that deliver 220 lumens 235 meters for 2.5 hours on high-power or 30 lumens 90 meters for 20 hours on low power. Using the Floating Charge System™, this light can be recharged in five hours at home in the magnetic cradle, or on the go through a USB connection. Smart Light Technology provides eight advanced functions – Morse code, boost, power, low power, dim, blink, SOS and defense strobe. The patented modular system uses fewer electrical points of contact to reduce the chance of failure. Water-resistant. Runs on one ICR18650 battery (included). Length: 6.14". Weight: 7.27 oz.