1. Five-Band EQ - Volume Control, Presence Control, Control, Middle1 Control, Middle2 Control, Treble Control, tuner on/off button.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.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.4. Easy To Read - LCD display, easy to read. Auto and manual tuning mode.5. Frequency, - Frequency Response: 20Hz - 20KHz, : Powered by 6F22 9V battery (not included)size:9.8*5.8*4cmMaterial:Plastic + metalcolour:blackPackage Contents:1 * pickup1 * Piezo pickup cable8 * Mounting screwsOnly the above package content, other products are not included.Note: Light 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.