led traffic signal warning light.Stronger magnetic traffic light, warning light, 9 in 1 flare Emergency led traffic warning ligh Model number: HS-015 non ... battery CR123 as power, built-in IC chip control LED flash, this light has 9 user-selectable flash patterns: ROTATE, double blink ... & visible up to a 1/2 mile away. * led traffic signal warning light Can also be placed safely on the ground and ...