DayZ field wiki · Gear
Flashlight
A battery and a tell
Short answer
Handheld light. Indoor dark. Also a beacon if you leave it on.
Also: torch · hand light
How it works
Flashlights need batteries. They light you up from the other end of a street.
What to do
Click it off between rooms. See indoor-dark.
Don't
Don't wander Elektro with a full beam as a tour.