Following three years of testing and development, Pro-Troll has developed a lighted flasher series. Most fish are attracted to light. The light is water activated. It turns on when it contacts the water, and turns off when dry. 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.Re-arm your lighted flashers with Pro-Troll ProFlash Replacement Lights. Each light is water-activated, turning itself on when it contacts the water, and turning off when dry. Its unique circuits flash red, white, and green on both sides of the flasher, drawing fish into your spread. Incredibly effective for murky water and low-light conditions. Sealed battery lasts 80 hours or more; easy to install and uninstall.Replacement lights for your lighted trolling flashersEssential for murky water and low-light conditionsWater-activated on/offFlashes red, white, and green on both sidesSealed batteryLasts 80 hours or moreWARNING: Cancer and Reproductive Harm -www.P65Warnings.ca.gov