Youin MA1015 Manual De Instrucciones página 8

Alert Button: Press once, the middle lights are
always on or all lights are flashing, this situation is
suitable for warning when parking or braking.
The helmet light will automatically change color
when it is always on. There are 7 colors in total,
which are red, blue, pink, yellow, green, purple and
orange.
Charging time: one hour full
With full power, it can be used continuously for 3 to
5 hours.
Splash-proof design, but not recommended for rainy
days.
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