Sentinel Shield

Armor Type: Any Shield

While holding this shield, you have Advantage on initiative rolls and Wisdom (Perception) checks. The shield is emblazoned with the symbol of an eye.

Classes

Artificer
Barbarian
Bard
Cleric
Druid
Fighter
Monk
Paladin
Ranger
Rogue
Sorcerer
Warlock
Wizard

Magic Armor

Common
Uncommon
Rare
Very Rare
Legendary

Armor Types

Light Armor 
Medium Armor 
Heavy Armor 
Shields