V BIKE Bicycle Headlight Led 3000Lm External Rechargeable Battery

Bicycle Aluminium Head Light: - Light source: 3*CREE XML-U2 (3000LM) - Function: Low beam (1 LED)-Medium beam (2 LEDs)-High beam (3 LEDs)-Flashing-Off - Press the button for more than 1.2 sec to put off the light - Function memory: when reopen,the function will continue the one used by last time - Stage of battery capacity would be indicated by the LED at the back as follows: Green (100-75%); Blue (75-50%); Yellow (50-25%); Red (25-5%); Flashing red (5%) - Battery: 18650*6 Lithium battery 7.4V/7200mAh, - Battery lifespan: charge-discharge cycle 500 times, Charging time: 5.5-6 hours - Burn prevention function:when the temperature of the body reach to a certain level, the mode will change to low beam automatically, on that case,the mode will not change if pressing the button, the light will work normally until the temperature goes down. - Running time: Low beam(1 LED)------6hrs Medium beam(2 LEDs)------3hrs High beam(3 LEDs)------2hrs Flashing------4hrs