This is a tremolo pedal by Schecter. It works well and has volume control, making it easy to use. There are no operational issues, but there is rust and paint chipping. Price negotiations are welcome. SCHECTER TREMLOLO effector with SPEED, DEPTH, and OUTPUT controls. - Model Name: THE TREMBLER - Brand: SCHECTER - Effect Type: TREMLOLO - Controls: SPEED, DEPTH, OUTPUT - External Connections: EXT.CONTROL Thank you for viewing.