Description:Fine Material: The guitar EQ is of high quality plastic and electronic parts made that can provide you with better performance. Better Control: The guitar pickup features 2 band tone control that can better help your to improve the sound from your instrument. Battery Powered: Please kindly note before buying that the guitar part is 6F22 DC 9V battery powered, which is also not included. Fits Instrument: The guitar components are specially designed for acoustic guitar and others, which is reliable. Easy to take: As the guitar part is of relatively small size and lightweight so that they can be taken to any places to use when needed. Specification:Material: Plastic.Color: Shown as Picture.Size: Shown as Picture.Control Range:Bass: +/-12dB.Treble: +/-12dB.Power Supply: 6F22 DC 9V Battery(Not Included). Note:There might be a few color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes:1 Piece Guitar EQ(with 1 Piece Tuner).