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Blazer’s LED Class 2 Low profile light bar has 24 high output LED diodes with 21 distinct flash patterns. The high strength, impact resistant polycarbonate lens and base give you a maintenance free light bar for years to come. Uses 4 heavy duty magnets to secure light to vehicle and has a 12 foot 12 Volt cigar plug power cord with pattern selector button. Operational temperature range is -22 degrees Fahrenheit to +122 degrees Fahrenheit (-30 degrees Celsius to +50 degrees Celsius). The light bar dimensions are 3.75 inch height x 7.24 inch depth x 17.40 inch width.