Korg GA-1 štimer

• Scale 12-note equal temperament
• Detection RangeB0♭♭♭♭♭（23.12Hz）– B6（1975.54Hz）: for guitar and bass sounds
• Reference Tone [GUITAR] 7B->6E->5A->4D->3G->2B->1E  [BASS] LB->4E->3A->2D->1G->HC 
• Tuning ModesMeter mode (AUTO GUITAR/BASS), Sound (MANUAL GUITAR/BASS)
• Flat TuningSemitone steps of 1 semitone (b) 5semitones (bbbbb)
• Detecction Accuracy +/- 1 cents or better
• Tone Accuracy +/- 1.5 cents or better
• Connectors INPUT jack (1/4” monaural phone jack)
• Power Supply Two AAA batteries (3V)
• Battery Life Approximately 100 hours (Meter mode, continuous A4 input, conventional batteries)
• Dimensions (W x D x H) 102 x 59 x 16 mm / 4.02”x 2.32” x 0.63”
• Weight 72 g /2.54 oz (Including batteries)
• Accessories Two AAA batteries for verifying operation

Even if the pitch is within the detection range, detection may not be possible for instrumental sounds that contain a large number of overtones or have a rapid decay.