... can flash, Controlled by a outside control box. 2Side amber LED lights and Mid white light bar can flash,Controlled by ... a outside control box.Mid LED Watts: 3 wattsTotal Watts: 36 wattsOperation Volts: DC 9-36V ... -road vehicles,Excavator,Trucks,Mining,tunneling & caving equipmentsRaod construction,Outdoor emergency lighting,Ambulance & fire engine,Logging,Agriculture etc.