Strike Alert Lightning DetectorThe Strike Alert provides early warning of lightning strikes as far away as 40 miles. Compact and light weight – take it wherever you go. An audiblealarm 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 away.The Strike Alert evens tells you whether the lightning strikes are approaching or moving away. Small and impact resistant, the Strike alert clips to your belt, backpack or golf bag. Low power consumption, up to 100 hours of use with 2 AAA batteries. Easy to use, simply flip a switch to check lightning strike distance, track storm direction or view battery life.Item# M747