“While B-6-RK is a companion, unequipped chems, firearms, and ammunition within a short distance are highlighted when you zoom the camera.”— In-game description
Search and Mark is a companion perk in Fallout: New California gained while B-6-RK is a companion.
Effects[]
Unequipped items, firearms, and chems will glow green while you are "actively aiming". This means using iron-sights or a scope.
Containers that have one or more of the aforementioned items will be highlighted in green.