a flashing light a red, yellow, or green light a lens or window to magnify the light a housing or casing a switch for activating the light a power source, such as a battery or electric cord
blinker which is a flashing light blinker which is a red, yellow, or green light blinker which is a lens or window to magnify the light blinker which is a housing or casing blinker which is a switch for activating the light blinker which is a power source, such as a battery or electric cord