Partility 18" 16-LED Emergency Traffic Advisor Flash Hazard Strobe Light Bar Warning Amber 18 inch 16 LED High Intensity Amber Strobe Lights 7 select flashing modes, on/off switch, 12V power wiring to vehicle battery High quality mounting bracket with screws - adjustable for install height Waterproof / weatherproof. Can be used for exterior mounting. Dimensions: 18" Length x 2.5" Height