Youin MTB, Manual, Page: 6 / 44

6
Use of warning light
Lighting mode: four modes
1. Press the power switch once, thehead light is
always on, and the rear light is always on.
2. Press the power switch twice, the head light is
always on, and the rear light is flashing slowly.
3. Press the power switch three times, the head light
is off, and the rear light flashes quickly.
4. Press the power switch four times, the head light
is off, and the rear light flashes slowly.
5. Press the power switch five times to turn off the
head and rear lights.
Charging time: one hour full.
With full power, it can be used continuously for 5 hours.
Splash-proof design, but not recommended for rainy
days.
Red LED lamp
Power Switch
Air Vent
Case of PC lampshade
Head circumference adjuster