Pedal tuner for electric instruments. Chromatic. True Bypass. Segment (FND) & LED display. Separate output for audible tuning. Tuning range: A0 (27,5 Hz) – C8 (4168 Hz). Reference frequency: 436 - 445 Hz (set in 1 Hz steps). Precision: +/- 1 Cent. Metal housing. Power: 9V battery (incl.), optional 9V DC adapter, polarity: minus (center), plus (ring). Dimensions (W x L x H): 5,9 cm x 10,8 cm x 3,6 cm. Color: black. Weight: 300 g (incl. Battery)