• Built-in rechargable battery

• Easy read LED display

• Tuning Range: B0-B7

• Accuracy: +/- 1cent

• Calibration: 436-445Hz (1 Hz step)

• Input: 1/4” jack

• Output: 1/4” jack

• Battery automatically recharges when a power adaptor is used

• 9V DC power supply required

• Current Draw: 10mA

• Compact, rugged metal chassis