The co-10 Aqua Chorus offers awesome Analog chorus tones in a very small footprint. Simply great for limited pedal board space where you can now have more tone options at your feet, or for take along effects. Another great entry in this awesome line of affordable effects!! All metal Steel enclosure. (no plastic here!) Space saving design for pedalboards... compact and powerful. Analogue circuit design. Control for Blend and Spread Fast/Slow Chorus options . 9v mains adapter socket. True Bypass construction and stomp switch. Uses high quality parts such as German WIMA audio capacitance, high precision resistance etc...for clear signal transaction. Entirely dust-proof rheostat, for long using life. Size 2 1/4" W x 4 1/2" H x 1 1/2" D