StrikeAlert MD947 HD Field Personal Heat Stress & Lightning Detector

Heat and humidity can be a dangerous combination in the outdoors, which is why knowing your heat index is crucial. Now, with the StrikeAlert HD Field, you can stay informed about current conditions and how they measure up to the four Heat index warning levels.

The StrikeAlert HD Field is the only portable lightning detector which monitors heat stress as well as potential lightning danger. StrikeAlert HD Field measures how it really feels when relative humidity is factored with actual temperature. The easy-to-read display shows when conditions become dangerous.

Built on the trusted StrikeAlert technology, StrikeAlert HD Field is the first personal lightning detector with a graphical display that shows you the lightning strike distance (from 0 - 40 miles away) as well as a 1-hour storm trend and intensity. 360° Lightning Detection allows lightning to be tracked in all directions with no blind spots!

You can set the unit to alert you to danger with both an audible and vibrate warning plus LED indicators light accordingly at lightning distances of 24-40 miles, 12-24 miles, 6-12 miles and within 6 miles. StrikeAlert HD achieves up to 80 hours of operation from two AA batteries (included).