Wand of Secrets

From Dungeon Master's Guide, page 211. Found on Magic Item Table B.

Description
''Wand, uncommon. 1 lbs.''

The wand has 3 charges. While holding it. you can use an action to expend 1 of its charges, and if a secret door or trap is within 30 feet of you, the wand pulses and points at the one nearest to you. The wand regains 1d3 expended charges daily at dawn.