Specifications:  
Bass: +/-12dB at 60Hz
Middle: +/-12dB at 500Hz
Treble: +/-12dB at 10KHz
Frequency Response: 20Hz - 20KHz
Power: 9V AIkaline battery (not included)
Pick﹣up: Piezo ceramic pick-up                        
Item color: Black
Item size: 9.5 * 4 * 6cm / 3.7 * 1.6 * 2.4in
Item weight: 111g / 3.9oz
Package size: Approx. 11 * 7 * 6cm / 4.3 * 2.8 * 2.4in
Package weight: 129g / 4.6oz

Package list:
1 * EQ
1 * pick
4 * Mounting Screws
1 * Screw Cap
1 * Metal Washer
1 * Sticky Plate
1 * Cable Tie

Note:
The batteries are not included.