Magnetic mount halogen mini lighbars are easy to move, and easy to use. Clean the surface you are mounting to, attach, plug-and-play. These work great when you are waiting in the parking lot for the straggler of your group to get to your vehicle. Flip the light on so they can locate you. Have a mobile party while you wait for them. Move it to your work vehicle, or let your buddy borrow this while they are waiting for their's to be fixed. DOT approved in multiple colors, brightnesses, and shapes.