These uncommon magical items are a boon to thieves and treasure seekers everywhere. The spectacles allow the user to detect magic in nearby items and even identify what manner of magic it is.
A character wearing the spectacles can sense the presence of magic within 30 feet. You also identify the specific school of magic making an Intelligence check equal to the rarity of the item.
The spectacles can penetrate most barriers, but it is blocked by 1 foot of stone, 1 inch of common metal, a thin sheet of lead, or 3 feet of wood or dirt.