Marshall-Browning RO-M747 StrikeAlert Personal Lightning Detector

Provides early warning of lightning strikes as far away as 40 miles. Take it wherever you go. An audible alarm sounds and a corresponding led light illuminates accordingly, as lightning strikes at distances of within 6 miles, 6-12 miles, 12-24 miles and 24-40 miles.

• Small and impact resistant, clips to your belt, backpack or golf bag
• Low power consumption, up to 100 hours with a single aa battery
• Easy to use, simply flip a switch to check lightning strike distance, track storm direction or view battery life

• Weight: 0.3 lbs