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User manual
1. Product general description
Thank you for purchasing JY-8030 Bicycle Light
Device.
This user manual has been specially designed
to guide you through the functions and features
of the device.
Mode:100%Brightness-5%Brightness-Flashi
ng–Off(Press the button to change the mode;
Press and hold the button for 2 seconds to
turn on or off the light from any mode)
Approximately operating times:
4 hours with 100% brightness,
5 hours with 50% brightness,
and 8 hours with flashing mode.
Charging time: 4-5 hours
Anti-reflection optical glass lens, scratch
resistant