Available in Red & White LED Colors. Four Functions – High Power, Low Power, Strobe and Signal Mode. Lumen Output: HIGH – 6 lumens; LOW – 1 Lumen (white only) Run Time: HIGH – 10 hours; LOW 22 Hours Includes easily replaceable batteries – 2 x 2016 3V Lithium Gear Tie Technology - Tough rubber shell provides excellent grip anywhere on your bicycle, but won't scratch or mark. Gear Tie Technology - Strong internal wire that holds its shape. Gear Tie Technology - Q