Features: [5-Band EQ]--Volume control presence control bass control middle 1 control middle 2 control treble control tuner on/off button. [Great Tone And Pickup ]-- complete kit offers great tone and pickup . [ Electric Box Guitar Sound]-- 5 band powered preamp pickup unit includes all you need to add a pickup to your electric guitar and their sound. [Easy To Read]-- With LCD display more easy to read. Directly seeing figures more convenient. [Convenient To Install]--This pickup is made to be installed in body of any standard acoustic guitar. Convenient to use. Specifications: Color: Blue Battery: DC9V 6F22 battery(NOT included) Frequency response: 20Hz-20KHz Control : Bass: ±12dB at 60Hz Middle: ±12dB at 500Hz Middle 2: ±12dB at 1.2KHz Treble: ±12dB at 3KHz Presence: ±12dB at 8KHz Output jack: 6.5mm & XLR output jacks Package size: 20 * 13 * 5cm / 7.87 * 5.12 * 1.97in Package weight: 200g / 7.05oz Note: battery is not included. Package list: 1 * Pickup 1 * Pickup stick 1 * Nylon cable 8 * Screw 1 * Cable holder 1 * Battery box