Apex AT1 Chromatic Tuner Features:
Chromatic, Guitar and Bass Modes
Clear Concise Display
Tunes from A0 (27.5Hz) to A6 (1760 Hz)
Calibrates from 430Hz to 450Hz in 1Hz Increments
1/4-inch Instrument Input and Output
Integrated Microphone
Uses 2 x 1.5V AAA Batteries (Included)