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ANSI/NEMA FL1 Standard for Flashlight Basic Performance

The ANSI/NEMA FL1 Standards address six different performance measurements and establishes consistent definitions and simple icons used to report the following performance measurements:

There are four performance criteria that could change with multiple modes or settings on the light: light output, run time, beam distance and peak beam intensity. Each manufacturer can choose what information to display in a table. Columns represent the modes available on the flashlight.

LIGHT OUTPUT: Total projected light output with new batteries

PEAK BEAM INTENSITY: Intensity of projected beam, unaffected by distance

RUN TIME: Amount of time elapsed prior to battery replacement

IMPACT RESISTANCE: Designates impact resistance when dropped

BEAM DISTANCE: Distance flashlight beam projects

WATER RESISTANCE RATING: Two different icons based on water protection level

IPX4: Water Resistant

IPX7+: Waterproof