【Color: black;
[light] : 2T6 CREE Hight Power LED (brightness up to 500lm);
[function] : click to enter, and click to shift gears: the headlight is highlighted -- the headlight is low -- the headlight is off -- the backlight is highlighted -- the backlight is low -- off;
[battery] : 2 *18650 polymer Li batteries (3.7v, 2000MAH) are used for power supply;
[weight] : net weight: 260g, gross weight: 375g;
[size] : length 120* width 50* thickness 25mm;
[applicable] : seat tube diameter :18-30mm;[color] : black;
[light] : 2 T6 CREE Hight Power leds (brightness up to 500lm);
[function] : click to enter, and click to shift gears: the headlight is highlighted -- the headlight is low -- the headlight is off -- the backlight is highlighted -- the backlight is low -- off;
[battery] : 2 *18650 polymer Li batteries (3.7v, 2000MAH) are used for power supply;
[weight] : net weight: 260g, gross weight: 375g;
[size] : length 120* width 50* thickness 25mm;
[applicable] : seat tube diameter :18-30mm;
