The SEEMEE 100 V2.0 is an intelligent tail light that offers smart integrated sensors and enough brightness for both daytime or nighttime riding. It uses transparent optical filters to spread the beam 260 degrees, the maximum output can be reached up to 100 lumens. It has an integrated motion sensor that can automatically detect braking to activate the boosted 100-lumen mode. Regardless of the current output mode, the light will switch to steady 100 lumen for 3 seconds to attract attention.