What's in the box:

Acoustic 5-Band EQ Equalizer Guitar Preamp Pickup LCD

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