Used approximately 30 times. I am selling this because I purchased other equipment and no longer use it. Operation confirmed (September 2024). There is one noticeable scratch. Please check the 8th photo. There are no particular problems with the operation or quality. There is no warranty card or outer box. The first photo is an image borrowed from a musical instrument store. The following is a product description. A VOX pedal tuner with an easy-to-see display. It has a built-in offset tuning mode that allows you to achieve a harmonious sound according to the instrument and temperament. Equipped with a DC output that allows parallel output, it supplies 9V 200mA of power from this unit to other pedals. ■ Tuner for guitar/bass ■ Temperament: 12-tone equal temperament (offset = chromatic) 10 other offset tuning modes ■ Measurement range: E0 (20.60Hz) ～ C8 (4186Hz) ■ Reference pitch range: A4=436～445Hz (1Hz step) ■ Measurement accuracy: ±0.02 cents ■ Input impedance: 1MΩ (when tuner is on) ■ Display modes: Strobe, Diamond, Vertical ■ Connection terminals: INPUT (mono standard jack) ■ BYPASS (mono standard jack) ■ DC 9V IN, DC 9V OUT Power supply: 9V dry cell battery (6F22/6LR61) or AC adapter KA181 (9V) ■ Battery life (tuner on, A4 continuous input, display mode: Strobe): When using manganese dry cell batteries: Approximately 12 hours When using alkaline dry cell batteries: Approximately 24 hours ■ Maximum current consumption: 20mA ■ External dimensions (W x D x H): 65mm x 120mm x 53mm (including foot switch and rubber feet) ■ Weight: 309 g (including batteries)