Classic ONAIR sign with nostalgic microphone graphic. A must for any professional or home recording studio. These illuminated signs use 20 bright white, high-efficiency LED lights for years of dependable service. LEDs have 120 degree dispersion and are equally spaced across the entire sign area which eliminates center hot spots and faded edges while provided the brightest, crisp and clearest visibility of any sign. Enclosure is manufactured from steel and aluminum with attractive curved edges and a durable flat black powder coated finish. Easy to install in just minutes and includes 25 foot extension cable, power supply and mounting hardware. Additional flash module is also available. LED lights are rated up to 50,000 hours of use life. Size - 9" (L) x 5.5" (H) x 1.5(D)