Feature: 1. With this preamp, you spend less time tweaking controls and more time playing. 2. Tone and volume control. 3. With volume, bass, middle, treble, pres control knobs. 4. LCD display, easy to read. Powered by 6F22 9V battery (not included). 5. Low battery check LED. Auto and manual tuning mode. 6. The Complete Kit offers great tone and pickup range. Guitar pickup is great for tuning on the move or on stage. 7. With this preamp for turning easily, you spend less time tweaking controls and more time playing. 8. Guitar Tuner. Tone and volume control. With volume, bass, middle, treble, pres control knobs. 9. Easy to read: LCD display. 10. EQ Equalizer. Low battery check LED. The 5 band equalizer has low battery automatic check function. Powered by 6F22 9V battery (not included). Specification: Acoustic 5-Band EQ Equalizer Guitar Preamp Piezo Pickup LCD Tuner Features： With this preamp, you spend less time tweaking controls and more time playing. Tone and volume control. With volume, bass, middle, treble, pres control knobs. LCD display, easy to read. Powered by 6F22 9V battery (not included). Low battery check LED. Auto and manual tuning mode. Specifications: Control Range: Bass: +/-12dB at 60Hz Middle: +/-12dB at 500Hz Treble: +/-12dB at 3KHz Presence: +/-12dB at 10KHz Power: 6F22 9V battery (not included) Item color: Black Pickup size: Approx. 9.8 * 5.8 * 4.0cm/ 3.9 * 2.3 * 1.6in Total weight:156g/ 5.5oz Package list: 1 * EQ 1 * Battery box 1 * Pickup line 8 * Mounting screws 1 * Suction cup 1 * Cable tie Package List: 1 * EQ 1 * Battery box 1 * Pickup line 8 * Mounting screws 1 * Suction cup 1 * Cable tie