... power, built-in IC chip control LED flash, this light has 9 user-selectable flash patterns: ROTATE, double blink, single blink, alternative ... 's provide superior visibility 7, In addition to the 8 flash patterns there is an emergency flashlight mode 8, Keep in ... the unit to turn on and cycle through the 9 flash patterns. * Product size: Dim 10.8cm, tall 3.5cm * Product ...