Brand: Korg Model: CA40 Color: White A compact chromatic tuner, ideal for use with brass band or orchestra Larger and more easily readable high-precision LCD needle-style meter Wide detection range from A0 - C8 Calibration function that accommodates a variety of concert pitches Sound Out function that lets you produce a reference tone from the internal speaker. The tuner will remember the pitch you select SPECIFICATIONS Brand: Korg Model: CA40 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 Mode: Meter mode (AUTO), Sound Out mode (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), OUTPUT jack (1/4” monaural phone jack) Speaker: Dynamic speaker (28 mm diameter) Power Supply: Two AAA batteries (3V) Battery Life: Approximately 85 hours (Meter mode, continuous A4 input, zinc-carbon batteries) Dimensions (W x D x H): 100 x 67 x 17 mm / 3.94” x 2.64” x 0.67” Weight: 88 g / 0.19 lbs. (with batteries) FEATURES Wide Detection Range from A0-C8 Bypass function Compact Chromatic Tuner, ideal for use with brass band or orchestra Large, High-precision LCD needle-style meter Sound Out function Adjustable Calibration Auto Power Off function Memory Backup function Approximately 85 hours of continuous use Brand Korg SKU KO660EL1CU5ACNAFAMZ-283203 Model CA40