Check the listing for details. DR Strings Hi-Def NEON Multi-Color Light Electric Guitar Strings (9-42) 2 Pack. Condition: New. Listed at 16.99 USD. The NEON series isn't just about the look. They are great sounding, long-lasting, and meet all of the criterea required to be welcomed into the DR family of products. These are light guage electric strings, .009, .011, .016, .024, .032, .042. DR NEONs„¢ are super bright color-coated strings that sound clear, bright and musical. Players love the bright NEON„¢ colors and their remarkable sound. Super bright in daylight and under stage lighting, DR NEON„¢ is 100% black light reactive and glow strongly under UV lighting. NEONs are the first coated string to make no apologies. While Neons last as long as a coated string should (three to four times as long as uncoated strings) they sound as good, or better, than uncoated strings.