Temperament: 12 equal temperament (chromatic) Measurement range: C0 (16.35Hz) C8 (4186Hz) Reference pitch range: A4=436 445Hz (1Hz step) Measurement accuracy: ±0.1 cent (Display mode: strobe) Input impedance: 10MΩ, display mode: regular, strobe, half strobe, mirror Connection terminals: INPUT terminal (φ6.3 monaural standard jack), BYPASS terminal (φ6.3 monaural standard jack), DC9VIN terminal Power supply: AC adapter KA181 (sold separately) (9V) Current consumption: Maximum 40mA Dimensions: 70 (W) x 80 (D) x 47 (H) mm (including protrusions)