About this item【Hot Tub Lights】Hot tub lights can be installed with 4 suction cups, it is better to use 3xAA batteries (not included). In constant light mode, the battery life can reach 30 hours, perfect for swimming pool, fish tank, bathtub, pond, fountain, waterfall, aquarium, vase, garden, wedding, party stage, Halloween, disco, shopping malls, closet, museums, shops, Christmas, etc.【IP68 Waterproof Submersible LED Lights】IP68 protection class upgraded submersible LED lights improves the waterproof structure. Our submersible LED lights with a special waterproof structure, heat-resistant, silicone rubber sealing ring prevents water from entering and guarantees a long service life. The thickened ABS exterior shows a marked corrosion protection and w.