Tightly-Sealed &Pressure-resistant LED: This led light can be used under 1500'-depth water with highly pressure-resistant feature. Completely waterproof and top corrosion resistant. Compressive strength in the water ensures its long term excellent performance! Long-Time Battery: High-powered lithium battery can keep it lighting all day more than 350h. You neednt worry it will power off soon under the water. There is an enclosed internal battery sealed in the lights. It is not replaceable. Just enjoy the pleasant fishing time! Durable Multicolored Led Light: Seven colors of light alternate blinking between seven colors, which makes it more attractive to fish.Lure as many fish as possible. Rainbow colors charm your fishes in the way of charming! Keep Flashing Under Deep Water: This led light will keep flashing the moment the light is submerged in water. Fishes will gather soon attracted by its powerful shining light! Multifunction: You can put these lights on a fishing rod, pole, line...Not only great for fishing, also can be used as kids bathing partner, or aquarium pool wedding party Christmas decor, etc. Very versatile to use with multiple rigs and fits several settings. You can use for more fun as long as you can imagine!