Tuner

A high precision tuning micro pedals, can be accurate to 1 point
Works with most Electric or Electro-acoustic instruments including seven string guitar or five string bass
Display uses 108 high brightness LEDs and is visible even in strong light
Very small and compact design
True bypass switch

http://www.mooeraudio.com/product/Baby-Tuner--96.html

• 42 mm wide
• 94 mm heigh

This module is currently available.