ZOOM's G2.1u digital effects processor with various effects, LED display, and wah pedal. - Model Name: G2.1u - Brand: ZOOM - Effect Type: Digital Effects Processor - Display: LED Display - Pedal Type: Wah Pedal - Controls: Adjustment via knobs and switches - Connection Terminals: Guitar input, amp output No instruction manual. No box. No adapter. Batteries last a long time. There are scratches from use, but there are no operational issues. Thank you for viewing. Type...Electric Guitar Manufacturer...ZOOM