From Mojo Hand:

ALL HAIL THE COLOSSUS!!! Unleashed on an unsuspecting public, the Colossus is the be-all-end-all Russian/Civil War Muff-style fuzz. It is ridiculously tweakable, insanely versatile, and packed with 10 tons of colossal mojo. Rich harmonic drenched chords, sweet singing leads, sludgey stoner goodness, filthy bluesy mcnasties, pumpkin-flavored raunch. You name it, it does it. It features a 3-way toggle for different EQ voicings, as well as a full range “Mids” control to help you cut through the mix in a live setting. As with all Mojo Hand FX pedals, the Colossus comes in a die cast aluminum enclosure that has been professionally powder coated and printed at our facility.

Controls:
-Tone
-Gain
-Mids
-Volume
-3 way tone toggle (Center - standard. Down - more bass. Up - most bass)
-True bypass switching

Power:
-Standard center negative 9V DC supply, or 9V battery (neither included)
-Current draw: ~12mA