1. Remove two screws with screwdriver, then insert 3 AAA Alkaline batteries.
2.Short press the power button to turn on the led road flare light.
3.A single click on the power button to cycle different flash mode.
4.Press the power button quickly twice to turn on / off 3top LED flashlight.
5. Long press for about 3 seconds to turn off the led road flare light.
9 Different LED Modes:
Triple-flash:Working time,36H
Dual-flash:Working time,65H
Single-flash:Working time,120H
Rotate:Working time,18H
Alternate-blinks:Working time,23H
SOS-rescue:Working time,9H
Solid-on high:Working time,3H
Solid-on low:Working time,6H
3LED flash light:Working time,18H