5 Bands Acoustic Guitar Pickup LC-5 EQ Preamp LCD Tuner Piezo Pickup Guitar Chromatic Bass Pickup

Features: 
Professional guitar and bass tuner. 
LCD display. 
Powered by 9V battery (no included). 
Low battery check LED 6. Auto or manual tuning mode. 
The advantage of an EQ is that it can make small, subtle changes that can perfect your tone or expand upon the range of sound that you're already getting from your other pedals. Or you could simply set the pedal flat (Everything to 0) and use the gain control as a boost for guitar solos. 
  
Specifications: 
Color: White/Yellow/Red/Blue; 
Frequency Response: 20Hz-20KHz; 
Control Range: 
Bass:12dB at 60Hz; 
Middle: +/-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' / 8.50CM*5.50CM*4.00CM; 
Weight: About 102g. 
  
Package List: 
1 * Pickup.