The sleek and original design of the Delta Shield Tubular Light Bars sets them apart from all other light bars on the market. They make a powerful statement not only in terms of raw Lumen, but also in a record low 17.5 Amp draw at 210 Watt of energy. Making them the world’s most energy efficient light bars at 229 LM per Watt. The all aluminum design contributes to record breaking light weight, 60% over the competition. Perfectly contoured aluminum mounting arms bolt to frame, requiring no drilling. Includes pre-terminated wire harness and switch.