【Remote Control Introduction】: You can adjust the light color at will, there are 13 kinds of colors can be adjusted Please pull out the plastic piece of the battery before use Long-term use, if you can not control the light, please replace the battery. 【Timing controller】: 10-speed adjustment of light intensity, can be set 4 hours / 8 hours / 12 hours, automatic switch function, can be set to simulate the sun rise and fall mode, can be set to turn on the light 30 minutes in advance slowly bright until the brightest, when the lights can be turned off slowly darkened until the lights off. 【Updated Design】- Fish tank light with 36 LED RGB lights, 16-colors changing,4-lighting modes. Color changing automatic. Great night light for wonderful nocturnal viewing, produces a impressive RGB colors air curtain. 【Fish Tank Bubble Light Aplication】- Suitable for Fish tank Decoration, Freshwater Aquariums, Office Fish Bowls,Saltwater Aquariums, Ponds, Hydroponics. 【Waterproof Aquarium Lights】- IP68 waterproof rate, excellent sealed design, can be fully submerged in water. Air hose can connect to air pump for air bubble billow effect (Air pump not included).