Lantern of Revealing
Wondrous Item,
Rare
(cost 3500 gp)
Crafting Components
Pixie dust, glass that’s been to the Astral Plane
While lit, this hooded lantern casts bright light in a 30-foot radius, revealing invisible creatures and objects in the area. It sheds dim light an additional 30 feet, or if you use an action to lower the hood only in a 5-foot radius. The lantern stays lit for 6 hours on 1 pint of oil.
Source