The SkyScan P5-3 lightning detects the presence of lightning and thunderstorm activity occurring within 40 miles of your location. It uses patented technology to determine the distance to the detected stroke. The distances are indicated in four ranges: 0-3 miles (0-5 km), 3-8 miles (5-13 km), 8-20 miles (13-32 km) and 20-40 miles (32-64 km).

Since SkyScan allows you to know the level of activity of the storm, it determines if it is moving towards, away or parallel to your position. Each time SkyScan detects a lightning stroke, it emits an audible warning tone and lights the Range Indicator column. The full column stays lit for approximately 3 seconds. This feature allows you to see the distance to the last, closest, detected stroke without waiting for SkyScan to detect a new stroke.

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