Chromatic Tuner. Made by Cherub. Auto and Manual selectable chromatic tuner; Ultra-wide frequency capability can read 5 and 6 string basses. Pocket size digital tuner chromatic tuner with additional presets for guitar and violin. Choose between Automatic Manual and Sound modes. Includes a built-in microphone and a handy stand to hold the tuner in the upright position. Tuning Range: Db (69.296Hz) - d3 (1174.66Hz). Uses 2 AAA batteries. Type: Musical Instrument Accessories