You have disadvantage on attack rolls and Wisdom (Perception) checks that rely on sight when you, the target of the attack, or whatever you are trying to perceive is in direct sunlight.

You can see in dim light within 120 feet of you as if it were bright light, and in darkness as if it were dim light. You can’t discern color in darkness, only shades of gray

When you choose this race you gain a random form of Indefinite Madness (as found in the Dungeon Masters Guide)

You can speak, read, and write Common, Undercommon, and Dwarvish.

Your Dexterity score increases by 2, and your Intelligence score increases by 1.

You have advantage on saving throws against spells and other magical effects.