Olight T20-G2 380 lumens 2 x CR123ADeveloped from previous 2009 versions,the T20 is sure to attract both existing users and new followers. The upgraded CREE R5 LED is the evidence of Olight"s strong commitment to always use the latest and newest technology, providing more brightness to serve their customers" needs.Olight T20-G2 380 lumens 2 x CR123A Features: Utilizing the newest Cree XP-G2 R5 LED Drive current is increased from 0.9A to 1.5A It can typically get 3.5 minutes on the highest output, and then gradually step down to 60% Structure improvement: to eliminate the loosen problem of inner compression ring Automatic memory function, remember last used setting & will come on at same level as when turn off Ultra Clear Glass lens, non scratch with Anti-Reflective Coating Stainless steel pocket Clip Highest brightness is increased by 75% and longer thourowOlight T20-G2 380 lumens 2 x CR123A Specifications: Powersource - 2 x CR123A/ 2 x 4.2V RCR123A batteries/1 x 17670 (0.8-8.4V) Bulb - Cree XP-G2 R5 Output - Hi: 380 lumens Lo: 10 lumens Run Time - Hi: 84 hours Lo: 2.5 hours Submersible - 2 meters Water Resistant 1.5 m impact resistant