The classic Cry Baby; against which all other wahs are measured. This one sounds exactly how you'd imagine. The battery cover is missing but it's otherwise in good shape.

Model: Dunlop Cry Baby Wah Pedal
Made: USA, 1990s model (serial AA-22S855)
Type: wah
Power: standard 9v supply or battery, draw 2mA approx
Switching: buffered bypass
Equivalent new street price (approx): $149aud
Mods: none
Accessories: no box or manual
Condition notes: used, few minor marks, good condition