... , this light has 9 user-selectable flash patterns: ROTATE, double blink, single blink, alternative, SOS (Morse code) for rescue, solid-on (high ... flashing and warning modes, lighting covers 360 degree direction, visible for up to 10 miles away; 3. High endurance even rolled ... two strong magnets, can be attached on iron surface; Safety light, Warning light, led flashing lights,led warning lights