KOKKO FCP2 Compressor Sustainer Mini Effect Pedal for Electric Guitar Accessories Features: Fully analog circuit and true bypass design. A broader adjustable range. Powered by AC adapter. Mini and portable, enclosure is aluminum alloy shell. LED indicator shows the working state. Rubber pads on the backside is anti-skid, which enhances the stability and avoids friction between the effect pedal and the ground. Specifications: Condition: Material: Metal & Electron Color: Shown as Pictures Size(L x W x H): 94 x 51 x 53mm/3.7 x 2 x 2inch Brand: KOKKO Model: FCP2 Input Impedance: 1M Ohms Output Impedance: 10K Ohms Power Supply: External AC adapter(not included) delivering 9V DC regulated minimum 300mA Output/Input Jack: 6.35mm/0.25inch SUSTAIN: Adjust Compression Amount ATTACK: Adjust Start-up Time LEVEL: Control Volume Weight: Approx. 256g Packing List: 1 x Effect Pedal 1 x User Manual Note: Please notice that there might be a little measurement deviation, thank you!