100 built-in effects, all in the one box, all easy to tweak. You can save presets jump between them on the fly. The sounds are good too, unlike many multi-FX units; it's certainly a space saver.

Model: Line6 M5 Stompbox Modeller
Made: China, recent model
Type: multiFX/modelling
Power: standard 9v negative tip supply
Draw: 400mA approx
Switching: true bypass
Dimensions, excluding knobs/switches/jacks: 165x152x61mm 
Equivalent new street price (approx): $189 approx
Mods: velcro added
Accessories: no original box or manual
Condition notes: used, few minor marks, very good condition

Controls
Mode select knob: switches between delay/reverb/drive/modultion modes
Other five knobs: control parameters on each effect, each knob's function shown on the display screen