Mini chromatic tuner pedal with metal case. Suitable wide range tuning. With LCD display, easy to read tuning information. True bypass, real signal, no loss of tune. Colour: Black Material: Zinc alloy Tuning Range: A0(27.5Hz)-C8(4186Hz) Precision: ±1cent Detection Method: Audio Signal Input Tuning Method: Auto Display: LCD Screen Power Supply: DC 9V Item Size: 9.5 * 4 * 5cm / 3.7 * 1.6 * 2in Item Weight: 150g / 5.3oz Note: The power adapter is not included. Package List: 1 * Tuner Pedal 1 * User Manual (English) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.