FAST & ACCURATE: Spend more time playing, and less time tuning. The UberTuner's advanced Micro Processor and highly sensitive Piezo Sensor will ensure your instrument is accurately tuned in a flash.SUPER BRIGHT DISPLAY: The large color display allows you to easily see if you're flat, sharp, or dead-on from any angle. With 3 points of adjustment, you can position the screen in any way you like.EASY TO USE: Turn it on, clip it on, and you're ready to tune. Since the tuner detects the pitches directly from your instruments' vibrations, ambient room noise will never get in the way.