4 Band Guitar Pickup Equalizer EQ Piezo Preamp Pickup

Specification: 
Power Supply: 9V alkaline battery (not included); 
Output Connector: 6.35mm; 
Product Size: About 8 * 5.2 * 4.5 cm; 
Product Weight: About 40.6g. 
  
Features: 
- Good quality and testing. 
- 4-band equalizer for acoustic guitar. 
- LCD display, easy to read. 
- With phase knob effect. 
- With volume control knob. 
- With chromatic tuner. 
  
Note: 
1. Due to the manual measurement, please allow 1-2mm differences in size. 
2. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand. 
  
Package Included: 
1 x Guitar Equalizer; 
2 x Wires; 
1 x Patch; 
2 x Nuts; 
1 x Collar; 
4 x Screws.