Guitar pickup is made of high-quality materials, strong and , has a long service life. Designed to meet the needs of acoustic guitars. The onboard preamp system features a soundhole mounted preamp with rotary controls for volume and tone. The pickup comes standard providing a quick, solder-free installation. Suitable for Acoustic Guitar With battery box(using 9V battery (not included).easy to install. Colour:As Shown Material:plastic+Metal Package Contents: 1x Pickup set (accessories refer to the main picture) Only the above package content, other products are not included. 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.