This Radio On Air LED Sign is the new modern light up sign. Most people have likely seen one of these world-renowned light signs in a bar, a man cave, a recording studio, and many other places. Due to their attractive neon-colored glow, these popular 3D engraved LED signs are making waves through out the world. All dual color signs now come with black backing material for an optional brighter display.Features: The sign is attractive in all directions LED lights last up to 50,000 hours Handy on/off switch Only 0.25"-0.5" thick All signs include a slim and durable chain for hanging Wire length: 2m (6.6 ft)