It turns on when it contacts the water, and turns off when dry
Green Goblin
Description
The Pro-Troll ProChip ProFlash Lighted Flasher features the patented kicker fin on the back for more flasher action, with the added advantage of a water activated flashing light! It's unique circuits flash red, white, and green on both sides of the flasher. The sealed battery lasts 80 hours or more and then the light can be easily replaced.