The Grote 16.5” Mini LED Light Bar keeps you Ready for the Road Ahead , offering reduced drag and friction due to its sleek, low profile. Choose from 20 selectable flash patterns via external pattern select wire. Experience brilliant lighting output with a secure magnetic mount solution while enjoying the ease of an on/off switch that is easily accessible via the auxiliary power plug. This durable LED light bar also provides superior energy efficiency that does not drain vehicle power. FleetPride is your First Click in Heavy Duty .