1. Five-Band EQ - Volume Control, Presence Control, Bass Control, Middle1 Control, Middle2 Control, Treble Control, tuner Power on/off button.<br> 2. Great Tone And Pickup Range - The Complete Kit offers great tone and pickup range, and is made to be installed in the body of any standard acoustic Guitar.<br> 3. Amplify Acoustic Guitar Sound - The 5 Band powered pre-amp Pick-up unit includes all you need to add a pickup to your acoustic guitar and amplify their sound.<br> 4. Easy To Read - LCD display, easy to read. Professional guitar tuner Auto and manual tuning mode.<br> 5. Frequency, Power - Frequency Response: 20Hz - 20KHz, Power: Powered by 6F22 9V battery (not included)<br> size:9.8*5.8*4cm<br> Material:Plastic + metal<br> colour:black<br> Package Contents:<br> 1 * pickup<br> 1 * Piezo pickup cable<br> 8 * Mounting screws<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.