eatures: With volume, tone, drive control knobs for you to adjust the parameter of the overdrive effect. 4-Mode selection knob to adjust at OD, BOOST, DIST, M, each with independent indicator. DC9V 100mA power supply (center is negative polarity). Features of solid color, sturdy construction, good hand feeling, lightweight and durable. Small compact size pedal takes up little space on the pedalboard. A practical and easy-to-use effect pedal that will bring a richer expression to your performance and practice. TYPE A: Material: Metal Effect Type: Distortion Control: Volume, tone, drive 4-Mode Selection Knob: OD, BOOST, DIST, M One Toggle: Voice toggle Power Supply: DC9V 100mA - center is negative Item Size: 122 * 67 * 40mm / 4.80 * 2.24 * 1.57in Item Weight: 260g / 9.19oz Package Weight: 302g / 10.65oz Package Size: 14.7 * 7.8 * 7cm / 5.79 * 3.07 * 2.76in   TYPE B: Material: Metal Control: Volume, bass, treble, gain 4-Mode Selection Knob: Tim1, tim2, M, jan ray Power Supply: DC9V 100mA - center is negative Item Size: 122 * 67 * 40mm / 4.80 * 2.24 * 1.57in Item Weight: 262g / 9.24oz Package Weight: 303g / 10.71oz Package Size: 14.7 * 7.8 * 7cm / 5.79 * 3.07 * 2.76in   TYPE C: Material: Metal Effect Type: Distortion/overdrive Control: Volume, tone, drive 4 Clip Mode Selection Knob: Mosfet, Soft, Ge, Si One Toggle: HP/LP Power Supply : DC9V 100mA - center is negative Item Size: 122 * 67 * 40mm / 4.80 * 2.24 * 1.57in Item Weight: 257g / 9.07oz Package Weight: 299g / 10.56oz Package Size: 14.7 * 7.8 * 7cm / 5.79 * 3.07 * 2.76in Package List: 1 * Effect Pedal