Mooer MBEF1 Sweeper, Bass Filter Pedal is an envelope filter for guitar or bass.  It has unique features for switching from fuzz to clean mode and added Range, Intensity and Reso controls to custom that funky filter tone to your choice.

Power Requirements: AC adapter 9V DC (center minus plug)
Current Draw: 7 mA
Dimensions: 93.5mm (D) × 42mm (W) × 52mm (H)
Weight:160g