The Floating FlashBomb by HammerBombs focus the LED lights into the water to draw the fish up to your lure.
FlashBombs have motion activated Red/Green/Blue LED lights that stimulate predatory responses in fish. They're activated on the cast and can be re-activated by hard jigs on the retreive.
Battery life is estimated at 1500 casts and each FlashBomb is guaranteed to work up to 1 month from time of purchase.