IP68 100% waterproof: underwater lighting made of high performance waterproof material for containers filled with water. The bottom that unscrews has a rubber O-ring to prevent water from getting inside, there is no risk of leakage after tightening the cover. It can work normally for a long time, even when it is cold or bad. Magnet and Suction Cup Pool Lighting: Fixing the lamps is also easy, the waterproof lightweight suction cups can be used both in air and underwater on flat and smooth surfaces (the smooth surface has a stronger adsorption capacity). Small magnets can attach the lights to the side wall of an above ground pool, allowing them to be used on any iron spot with strong suction. RGB Color Changing, Brighter Brightness: Each diving light has 13 bright LED light beads, which have higher brightness than 10 LED beads. You can easily control the brightness with the remote control. It offers 4 dynamic color changing modes and 16 different static color modes as well as 10 brightness levels. RF remote control: 16 dynamic colors optimized remote control, multiple modes (flash, fade, smoothing), 3 button increased timer (2h, 4h, 6h) and flexible color change. The remote control distance of the RF remote control can be up to 50m even if there is an obstacle between the remote control and the LED light. (Range of the underwater remote control 5m) Make the right contacts: Decorative LED underwater lights are your mood lighting. Great for bathtubs, wading pools, ponds, swimming pools, fountains, pumpkins, hanging paper lanterns, vase floors, flowers, weddings, parties and other occasions. (Note: please remove the insulation film between the remotes ) Properties: Magnets design, allows use in any place iron with strong suction. The design of the suction cups can be used both in air and underwater on flat and smooth surfaces. Pool lighting with 13 premium LED beads, the brightness can be increased by 50%. Brighter and three times brighter than 10 LEDs. The LED water light works with 3 AAA batteries (not included) and has a lifespan twice as long as comparable products with AA batteries. It works for 20 to 30 hours depending on the type of battery, brand or lighting mode. Rechargeable AAA batteries like NI-MH cells are better suited for daily use to keep costs down. 4 PCS underwater swimming pool lights, made of high quality waterproof material, waterproof grade IP68, the bottom that unscrews has a rubber O-ring to prevent water from entering inside. Note 1. Make sure that the sealing ring is not damaged and that it remains correctly in the groove. 2. Tighten the lumen until the cover cannot be rotated before placing it in the water. 3. Remove the plastic insulation from the underside of the remote control before using it. 4. Lighting for special occasions only. To avoid corrosion, please take it out of the water after the events.What are you going to have 4x RGB LED lights (battery not included) 2x IR remote control (battery included) 10x Suction Cups 1x Instruction