Steady green at first then nag flash ng 5x, TE told me that it's an indicator na mag oorange na then mag red.

How common is it dito satin especially dito sa Metro Manila? I'm not sure if I'm just too ignorant kasi lagi lang ako dito sa southern manila pero first time ko ma encounter ito

Base on my research, iba iba meaning nito sa ibat ibang bansa.