... , 2500LM,6500K 4, Aluminum alloy cover,PMMA Lens 21W led work lamp led auto lampSpecification:Power: 21W( 7pcs*3W highpower chip) Lumen ... ,treedozer,road roller,bulldozer,crane and mining truck etc.),special vehicle(fire engine,police cars,rescue vehicle,communication vehicle, ... Sanyou pursues brightest ,non-fading beam and adopt best LED, 5050SMD,1210SMD and High power LEDs chip made in Taiwan ...