Water activated, submersible deep drop strobe lights attract interest from baitfish, gamefish, and squid. A self-contained lithium battery provides over 300 hours of use (100 hours Disco). Attach these lights on squid jigs, bait rigs, deep water rigs, and even on life jacket for safety purposes. Available in 6 colors: Green, Red, White, Blue, Disco, Ultra Violet (UV).