Building on the successful i3T EOS, the i3T 2 EOS expands on the previous generations' capabilities, without losing what made it great in the first place. The 2nd generation boasts a 31% increase in battery life, a brand new pocket clip for even deeper pocket carry, and a 71% increase in runtime in high mode. With just 1 AAA battery, this little powerhouse can put out 200 lumens, and with a 10440 rechargeable li-ion battery, it can put out an impressive 300 lumens. Concealable and powerful, the Olight i3T 2 EOS makes for a great EDC flashlight. Olight Technology specializes in LED flashlights featuring advanced technology, quality workmanship, and premium grade materials to ensure their products meet the highest standards.