The extra features allow you to scan a specific item and lock in on it to the exclusion of anything around it, measure the speed of a moving object, and prevent errors caused by fog.
More info
The UZI 600 yard Laser Rangefinder features a Fog Filter, Flagpole Scan,
and Speed Measurement. The extra features allow you to scan a specific
item and lock in on it to the exclusion of anything around it, measure the
speed of a moving object, and prevent errors caused by fog. The
lightweight 5 oz. the design uses one CR2 battery (not included).
