1. Take off the tail cover cap.
(Turn it counter-clockwise.)
2. Put the blue 18650 rechargeable battery into the clear battery case, then insert both into the
flashlight (+ end first) OR
Insert three AAA batteries into the black battery holder (and be sure to make sure each battery is
pointed the right direction. The "-" ends should be on the springs) then insert the battery holder
into the flashlight (+ end first).
3. Screw the tail cap back on tightly (clockwise).
4. Press the button at the end of the flashlight to turn it on. Then, keep pressing the button to
cycle through the different modes (Strong - Medium - Light - Strobe - SOS Signal)
