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The Traffic Advisor light bar series was design for emergency vehicle ,tow truck vehicle , and fire vehicle . Our traffic advisor light bar come with built in traffic advising features with the option to flash in three different configurations: Standard, Alternating, and MultiColor and so on . To meet more demand, we added new flash patterns in the right to left, left to right, and center out directions. When wiring error , our circuit protection system will protect light bar well.