Traffic warning light, strobe light,flash patterns Traffic warning light, strobe light,flash patterns Product DescriptionUsing high-capacity battery CR123 as power, built-in IC chip control LED flash, this light has 9 user-selectable flash patterns: ROTATE, double blink, single blink, alternative, SOS (morse code) for rescue, solid-on (high), solid-on (low), 2LED flashlight and 4LED flashlight. 1 ...