This LED Strobe Light Set is the most economical way to outfit one"s vehicle with emergency lightings. The set is perfect for police officers, fire fighters, first responders, construction workers, or anyone who needs their vehicles to be visible while on the job. Interchangeable/Compatible with: All automobiles and devices equipped with a 12 Volt DC power source. Features:Comes with one set suitable for windshieldRainproof exterior readyThree selectable flash patternsSlim Design for a low profile lookInstruction manual included1 year warranty on all componentsProduct Content:Six Light BarsSix Mini-LightheadsOne Controller ModuleSix Extension Wires1 Set Mounting AccessoriesSpecifications:Dimension of light bar: 7-1/8” W x 1-1/4” H x 1-3/4” DDimension of mini-lighthead: 1-7/8" W x 1/2" H x 1-1/4" DDimension of controller module: 3-1/16” W x 1” H x 1-7/8” D200 mAMPS max @ 12VDC (for each set)