SoundOff Signal EL3SN30A LED3 Amber Flashing Light Small yet powerful LED3 fits anywhere 16 different flash patterns and can be synchronized with up to three additional LED3 lights Versatile - can be used on cars, trucks, SUV's, buses, trailers in exterior or interior mounts Additional bezels for LED3 are available in single, dual and side-by-side versions, in black, white and chrome 10-30 vdc multi voltage