... operating voltage range: it can apply to different types of vehicles. Long life: more than ordinary advanced LED light bulbs, ... better . Light perception: a softer light to prevent glare . Waterproof and anti-corrosion: it can in the rain or harsh environments ... to construction machinerys,enhance lighting,eg.Vessels,Bus,Off-road vehicles,Trucks,Fire Engines,Forklifts,Mining,Trains,Tanks,etc. High power ...