Brand: Korg Model: CA-1 Color: White Compact Chromatic Tuner, ideal for brass band or orchestra Wide range of pitch detection covers C1-C8 High-precision LCD needle-type meter for stable tuning Sound Out produces a reference tone from the internal speaker Calibration Function supports a variety of concert pitches SPECIFICATIONS Brand: Korg Model: CA-1 Color: White Scale: 12-note equal temperament Detection Range: A0 (27.50 Hz) – C8 (4186.01 Hz): for a sine wave Reference Tone: C4 (261.63 Hz) – C5 (523.25 Hz): 1 octave Tuning Modes: Meter mode (AUTO), Sound (MANUAL) Calibration Range: A4=410 Hz – 480 Hz (1 Hz steps) Detection Accuracy: +/- 1 cents or better Tone Accuracy: +/- 1.5 cents or better Connectors: INPUT jack (1/4” monaural phone jack) Power Supply: Two AAA batteries (3V) Battery Life: Approximately 100 hours (Meter mode, continuous A4 input, conventional batteries) Dimensions: (W x D x H) 102 x 59 x 16 mm / 4.02”x 2.32” x 0.63” Weight: 72 g /2.54 oz (Including batteries) FEATURES Ultracompact body with Tilt Slit Ideal for brass band or orchestra Large, high-precision LCD needle-style meter Wide pitch-detection range from C1 (32.70 Hz)-C8 (4186.01 Hz) Sound out reference tone from internal speaker Adjustable calibration supports a variety of concert pitches Auto power-off function Memory backup function Battery life: Approximately 100 hours of continuous use Brand Korg SKU KO660EL16VT8KNAFAMZ-283202 Model CA-1