This is marked by a light on the character 's body usually called the Color Timer , or `` warning light , '' which eventually begins to blink with increasing frequency as his energy supply dwindles ( and turns from blue to red ) .
This is marked by a blue light on the character 's body usually called the Color Timer ( but Ultraseven , 21 , Nexus Anphans , and Next did not have a color timer ) or `` warning light , '' which begins to blink red with increase in blinking as his energy supply goes down ( and turns from gray to red ) but Red warriors like Ultraseven had orb on their head instead of color timer .