Package Dimensions:5.91 x 4.72 x 3.54 inches Item Weight:11.6 ounces Department:Unisex-adult With superb craftsmanship, this is a good guitar accessory. Detailed Description: Professional guitar and bass tuner,LCD display,Low battery check LED Frequency Response: 20Hz~20KHz Control Range: Bass: 12dB at 60Hz Middle: 12dB at 500Hz Middle 2: 12dB at 1.2KHz Treble: 12dB at 3KHz Presence: 12dB at 8KHz Mid2. Control: 600Hz~2KHz Tuning note: Chromatic/Guitar Mode Chromatic & Guitar Tuning Mode(7B /6E/5A/4D/3G/2B/1E) Pick-up: Piezo Ceramic Pick-up Dimension: 4.06" x 2.48" Weight: 200g Package included: 1 x Acoustic Guitar 5 Band EQ Equalizer LCD Tuner Pickup [Insurance] If you are not satisfied with the products you received, please feel free to email us. We will reply to you as soon as possible and help you solve the problem . About this item Professional guitar and bass tuner,LCD display Low battery check LED Auto or manual tuning mode The guitar pickup has fine workmanship, durability, stable performance, no noise, and extremely high signal quality. Good guitar substitute, easy to use. Easy to install, without any difficult steps. Rugged and durable structure, high-quality pickups, bring bright and clear tones. Professional guitar and bass tuner,LCD display Low battery check LED Auto or manual tuning mode The guitar pickup has fine workmanship, durability, stable performance, no noise, and extremely high signal quality. Good guitar substitute, easy to use.Easy to install, without any difficult steps. Rugged and durable structure, high-quality pickups, bring bright and clear tones.