Accurate and fast tuning with 1 cent precision. The easy-to-read Deluxe LED display guides clear tuning results. Upgraded analog circuit, real signal, no loss of melody. Working with most electric instruments works with instruments, including a seven-string guitar or a five-string bass. The sturdy structure is made of high-quality zinc alloy, durable and sturdy. Small size that saves a lot of space for your pedalboard. A good Deluxe TunerChromatic that is suitable for tuning a wide range. The LED warning light shows the operating status and the display shows clear tuning results. And it's easy to read the right tone. New high-speed precision strobe mode with +/- 0.1% accuracy. Enjoy your own and colorful life. Easy to useConnected to power and audio cable, Deluxe Tuner will enter bypass mode. Press the bypass switch to enter tuning mode. The operation shows black when there is no signature, the solmization indicator and precision tuning will be turned on. The blue indicator in the middle turns on when the tone is accurate. Range: 12Hz 4186Hz (C8)Input: 1/4 inch mono (impedance: 100K ohms)Output: 1/4 inch mono (impedance: 0 ohms)Power supply: DC 9V (negative in center)Operating current: 90mAWaga: 268g (with box)Manual display:1. Turn on the footswitch to the model, the indicator will turn on and be silent.2. The operation shows "-" when there is no caption in the model, the solmization indicator and precision tuning will be turned on at the same time.3. The blue indicator in the middle turns on when the tone is accurate.4. The caption is a workaround and does not display on the screen when it is outside the model. Color: SilverMaterial: Zinc Alloy Size: 9.5*4.5*4.8cm Package Contents:1 * Guitar Effects Pedal1 * User Manual (English)Only the above package content, other products are not included. Note: The light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3cm.