The Planet Waves NS Micro Universal Headstock Tuner features a dual swivel plate and extendable arm that lets you easily see it on any instrument. The NS Micro Universal features a reversible screen, a multicolor display, and a visual metronome in a housing that blends in with the aesthetics of your axe. And a super-sensitive piezo transducer and backlit display give you easy and accurate tuning on loud stages, as well as in dim or brightly lit environments. The Planet Waves NS Micro Universal tuner is so accurate, convenient, and unobtrusive, you'll want a for every instrument you own.