1:can be usesd in traffic. 2:emergency lighting 3:car repair 4:with the best led light weight: 160g dimension: 54*4m packing: 50pcs/ctn carton size: 58*30*57cmfunction: there patterns of warning,flash-stead-lightingbatteries:intall 2pcs of NO1 batterysuitble for :traffic control,construction site specialed in Baton Light for cars ,good quality,CE,baton, , protection