Description:This 5 band guitar pickup is designed with LCD screen,you can easliy read it,which makes it convenient to use. The sliding button is easy to operate,you can use them to easily control 5 bands. With this guitar pickup,you can the guitar to your speaker to play music. It uses battery to power,you don't need to it to power socket,so you can easily use it at outdoor. Strong and tough plastic housing,it can well protect the circuit inside,which makes the guitar pickup long lasting. Specification:Material: Plastic.Color: Black.Size: 9.8*5.8*4.0cm. Battery: 6F22 9V (Not included)Frequency Response: 20Hz20KHzControl Range:Low: ±12dB at 60HzMiddle: ±12dB at 500HzMiddle 2: ±12dB at 1.2KHzTreble: ±12dB at 3KHz±Mid2. Control: 600Hz2KHzTuning note: Chromatic/Guitar ModeChromatic amp; Guitar Tuning Mode(7B/6E/5A/4D/3G/2B/1E)NoteThere might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Package included:1* EQ pickup.1* Battery case. (Battery not included)1* Installation kit.