Mode1 - 450lm (upgraded from 2018) - 2.00hr Mode2 - 180lm - 4.45hr Mode3 - 100lm - 8.45hr FL1 - 60lm - 62.00hr FL2 - 200lm - 22.00hr Day FL - 450lm - 65.00hr SOS - 32.00hr Best Features: Light sensitive auto ON/OFF- To help you to conserve battery power when the light is not needed Waterproof to IPX 4 Light Memory Mode - Stay on the same mode even when you turn the light off Lumen and Run Time are tested under ANSI FL-1 Standard Daylight Flash Mode - Making a cyclist more visible during the daytime Battery capacity and charging indicator