POWER INDICATOR: Power Indicator will be ON and hold for 5s after being activated. Power Level- Green-Normal Red-Recharge' s suggested Recharging->Red light in blinking mode turn into Green light in blinking mode Fully charged-When green light' s off Charing time-2H Power Switch ( Operation ): Full, Normal, Press 0.8sec to turn off. Power Indicator Yes Powered and tested by 3.7V / 1200mAh Lithium battery Max. Light Output : Full 400±20%Lm / Normal 200±20%Lm Max. Runtime : Full 2H±20% / Normal 5H±20%/ / Flashing 8H±20% Peak beam intensity 5600cd±20% Beam Distance 150m±20% Impact Resistance 1M