1. Set contents: You will receive 10 deep - sea fishing lights. They are practical tools for deep - sea fishing, and the quantity can meet various needs. 2. Automatic flashing: The LED lights will automatically turn on when in contact with water and turn off when dry. They don't require batteries, which is energy - saving and convenient to use. 3. Material: The shell of the LED fishing lures is made of durable hard ABS plastic. Also, all components are tightly sealed, and the LED lights have certain pressure resistance, making them suitable for use in the deep sea and an option for both saltwater and freshwater fishing. 4. Wide range of uses: This LED luminous lure flasher is designed for in - shore fishing, near - shore bottom fishing, boat fishing, etc. You just need to clip it onto the fishing rig and cast it into the water. It is useful for you and your friends who love fishing. 5. Service life: The service life of the LED fishing lures can reach over 400 hours, which is more durable than glow sticks and traditional fishing lights. It can be used at a water depth of 1000 yards. The visible and flashing lights may attract the hungry fish underwater and tempt them to attack.