Material: ABS, lumens: 150lm, this section is a single red light patterns: red light, red flash,

red slowly flashing, clockwise marquee, counterclockwise marquees, flashing marquees slowly flashing,

sparkling Happy Valley Light flash, 7 kinds of modes; about 30H in flash mode, 20H in normal mode;

Shape: hexagonal; Battery: two 7th battery; quick release design, daily waterproof, can not ride without it at night.