PIGTRONIX Pigtronix 2NR Chromatic Tuner The Pigtronix 2NR is a high-precision chromatic tuner pedal for guitar and bass. It features a high-contrast, large LED screen and ultra-fast pitch detection software, allowing musicians of all levels to tune quickly and easily. The 2NR intentionally lacks unnecessary features. This pedal exists solely to allow musicians to tune their instruments to the standard concert pitch of 440Hz as quickly and accurately as possible. When the 2NR is activated, the output is muted. When the pedal is not in use, the relay-based true bypass switching allows 100% of the tone to pass through the pedal without compromising fidelity. The Pigtronix 2NR operates on a standard 9VDC power supply. ■ Guitar Tuner ■ Voltage: 9VDC ■ Current Consumption: 100mA I purchased this new but have never used it and have kept it in storage. The screen protector is still attached.