Spectrum Illumination LED Back Lights come in small 2” x 2” through standard 12” x 12” sizes. Large sizes are available. Back Lights have hundreds of SMT LED’s with a standard 4 pin industrial connector. Back Lights come in 24 Volt DC for the industrial environment. These sturdy lights are housed in a durable industrial Delrin and aluminum enclosure. Back Lights can be strobed or continuous for the output. Available in Red, White, Blue, Green and Infrared versions.