You rest your collection device against a solid surface, and using magically induced sound, you gather information in a 20 foot half-circle radiating out from the location of the spell cast. You can sense anything within the spell effect area that is touching a surface continuous with the surface you cast the spell into, and that can transmit sound waves.
The sound is audible to anyone within 10 feet of the caster, and anyone within the half-circle of the spell's affected area can feel the sound passing through them. If the creature has blindsight it knows where the sound originated from.
At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, you add 20 ft to the spell's area of effect per spell level used, maxing out at 100 ft at 5th level.
* - (A mechanical sound collection device that costs at least 100 gp to make. )
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