Harp of Deeper SlumberLevel 3 Uncommon

A single tone from this small harp leaves creatures briefly inattentive.

Wondrous Item        680 gp

Power ✦ Daily (Minor Action)

Each creature within 20 squares of you takes a -15 penalty to Perception checks until the end of your next turn.

Published in Player's Handbook 2, page(s) 210.