EWS Arion SCH-Z Mod, chorus pedal, analog, modified by EWS: installation of 3PDT switch which makes the pedal true bypass, modified tone adjustment while retaining the original tone, vivid and readable blue LED, chorus and vibe mode switchable: Note! OUT2 (STEREO) is no longer available due to this MOD! controls: RATE: to adjust the speed of the chorus effect, DEPTH: to adjust the amount of effect, TONE: to adjust Bass and Treble, CHORUS / VIBE: selector switch for chorus or vibe effect, true bypass, ON/OFF switch with status LED, 6.3mm jack in- and output, power: 9V battery or optional 9VDC power supply with 2.1 x 5.5mm barrel plug, Polarity: center (-), ring (+), Dimensions: 125 mm (D) x 70 mm (W) x 60 mm (H), Made in Japan