- Turn on the power switch (2) and the power indicator (3) is on.
- Press the STOP (3) and SLOW (4) functional button to select the flashing mode. There are 3 flashing modes, slow flashing mode, fast flashing mode and continuous bright.
- When the sign is our of working, turn off the power switch (2) and the power indicator is off.
In the full charge and working double-side state, the using time of different flashing modes show as following:
- Fast flashing mode: it can last 22 hours
- Slow flashing mode: it can last 15 hours
- Continuous bright mode: it can last 6 hours