Alien Resurrection/Items

Health packs
Restores health. They come in three varieties: small, medium and big

Portable Autodoc units
helps remove implanted chestbursters if impregnated by a facehugger.

Detonators
used by Cali on level 2.

Flashlight
used to illuminate areas for 10 seconds and automatically recharges when not in use.

Motion tracker
Automatically equipped by all character except for Ripley who has to pick one up.