Heavy-Duty Aluminum 18" Rooftop Emergency Strobe Lights Bar Suitable for Various Vehicle Visible in day and night! Product Specs 3W Each, 30 total LEDs 10V-30V DC Working Voltage Aluminum Housing and PC Lens Long Lasting Lifespan over 50,000 hours Multiple Modes - 15 different flashing patterns to choose from EXTREMELY BRIGHT AT A GREAT VALUE Boost safety awareness draws attention to potential hazards This 18" inch rooftop mini strobe lights bar is packed with 30 High-Power LEDs that are equipped with an Enhanced Optical Lens that magnify their brightness and sure to get the attention of anyone passing by. Great for the roof of a construction vehicle, mail van, plow truck, skid loader, tractor, trailer, delivery vehicle, skid loader, measure cars, snowplows, SUV, ATV, POV, RZR, etc. Security job, safety, rural mail carrier, volunteer, plow snow, snow removal, agriculture, plowing, etc. XPRITE Response Series snowplow trucks beacon lights bar are equipped with an enhanced optical lens that magnifies their brightness and sure to get the attention of anyone passing by. Heavy-Duty Magnetic Mounts 5 Strong Magnets for each foot.protective rubber cover w/ suction cup design.Easy installation and removal. Powerful Stainless Steel Mounting Bracket Not intended for highway speeds, place back in the vehicle before driving above 45 mph Convenient Dual Switch Design Last Pattern Memory RecallPatterns include Rotating, Flashing, Alternating Between Left and Right Side, etc.These modes are sure to provide caution to potential upcoming hazards. FEATURE 15 different select-able strobe flash patterns.Last Pattern Memory RecallLong-lasting LED lights, over 50,000 hours lifeMagnetic Base with Protective Rubber FeetEasy to install, attaches to any metal rooftop vehicles SPECS Power wire: 11.5ft straight cableDimensions: 17.9" (length) x 3.35" (height) x 7.48" (depth) Compatible with Universal compatibility for all emergency construction vehicles, trucks, safety, security, cars, snowplow, postal service city, and tractor, etc, equipped with a 12 volt DC cigarette adapter. GET YOUR AFTER-SALES SERVICE: If you're not satisfied with this strobe beacon light bar, please feel free to send an email. Simply return it and you will get a full refund or replacement.