One ECCO 3811A Surface Mount Amber LED Strobe Light20 Super Bright Amber LEDs inside a clear lensFeatures a tough, polycarbonate housing with urethane encapsulated electronicsCan be synchronized with multiple strobe lights and offers up to 7 flash patternsOperates between 12V-24VOperates between -22F to +122F0.4 Amps6.1" Long x 2.1" Wide x 1.3" Tall5" Between mounting holes