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SEAOURA Submersible Aquarium Lights for Fish Tank, 24/7 Cycle Fish Tank Light with Timer, Full Spectrum+7 Single Colors, Auto On/Off, Adjustable Brightness, 10W (38cm) Pet Supplies

(20 customer reviews)


About this item 24/7 Cycle Mode: Our aquarium light features an advanced design that allows you to PREVIEW the color and intensity of the light before setting it in the 24/7 cycle mode. It faithfully simulate natural day and night lighting patterns, creating a more realistic and comfortable environment for your fish. Premium Lighting: Our submersible aquarium light boasts 3 rows of high-quality LED chips, including 2 rows of 5050 LED chips and 1 row of 2835 LED chips, delivering vibrant and brilliant colors. The light fixture offers 10 adjustable brightness levels and 5 timer settings, enabling you to customize the lighting to your preferences. Full Spectrum + 7 Single Color Modes: Our underwater fish tank light provides a full spectrum mode and seven single color options, including Red, Blue, Green, Pink, Orange, Sea blue, and Yellow. This diverse range of colors allows you to craft a visually stunning underwater world for your fish. It effectively simulates a natural ecosystem, enhancing the overall beauty of your aquarium. Waterproof and Safety-Certified: With an IP68 waterproof rating, our aquarium led light can be safely submerged in water without any risk of damage. Operating at a low voltage of 20V ensures the safety of both your fish and yourself during installation and use. Energy-Efficient and Long-Lasting: Our fish tank led light boasts an impressive energy efficiency rating of over 89%, helping you save on electricity costs. The extended lifespan of the fixture eliminates the need for frequent replacements, ensuring prolonged and reliable illumination for your aquarium.
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Product Description

aquarium lightSEAOURA Aquarium Light for Fish Tank

24/7 Cycle Mode Function:There are 16-time points on the controller can be choose for the first running time setting. And there are 3 lighting modes in 24/7 modes:

M1: Auto on at 6:00 am and auto off at 9:00 pm

M2: Auto on at 7:00 am and auto off at 10:00 pm

M3: Auto on at 8:00 am and auto off at 11:00 pm

(Note: In this mode, you cannot change the brightness and color, only the time.)

aquarium lightHow to setting 24/7 Mode?

Simply long press the “24/7” button into the 24/7 lighting mode, then press the “Brightness” button to select the local time, and press the “24/7” button to confirm. Continue press “Brightness” to select modes, Press the “24/7” to finished this setting.

full spectrum aquarium light8 Full Spectrum Light+ 7 Single Color+ Cycle Color

System Color:

Red, Blue, Green, Pink, Orange, Sea blue, Yellow, full spectrum, cycle Color (No Brightness Option).

10 Brightness Level

10%-20%-30%-40%-50%-60%-70%-80%-90%-100% (when choose 10%-30%-50%-70%-90% level, indicator will be flash, when choose 20%-40%-60%-80%-100% level, indicator will be stay on)

aquarium light with timer5 Timer Options

4 Hours, 6 Hours, 8 Hours, 10 Hours, 12 Hours can be choose

Warm Tip: 1. If use timer mode, after timer, you can change the color or brightness, it will not exit the timer function.

2.If power failure, this light will be remember the last setting when there is power on.

Controller Detail Information

fish tank lights

submersible aquarium light

fish tank light

plant aquarium light

Watperproof IP68

3 Columns of Lamp Beads, 1 column of 2835 led chips, 2 column of 5050 RGB led chips. With 3 layer seal of this lamp. It can be use underwater.(controller and the plug is not waterpoof)

provide Super Lumens

White 6500k, Red 620nm, Green 560nm, Blue 455nm. It makes the water in the aquarium look clearer and the colours of the aquatic plants more vibrant.

Removable Suction Cups

120-degree sliding suction cups allows you to effortlessly adjust the angle for optimal lighting coverage. You can installation under lid or submersible underwater fish tank, or as background light of the fish tank.

nano aquarium light small aquarium light 10 gallon aquarium light 20 gallon aquarium light 60cm aquarium light 70cm aquarium light 6W 8W 10W 12W 14W 16W Watt 6W 8W 10W 12W 14W 16W Lamp Body Length 18CM 28CM 38CM 48CM 58CM 68CM Fits Aquariums 20-45cm 30-60cm 40-75cm 50-90cm 60-110cm 70-130cm Lux 1739 1923 2008 2123 2206 2318 Par 33 36 38 39 40 41 Lamp Output Voltage DC 20V DC 20V DC 20V DC 20V DC 20V DC 20V CRI 89 89 89 89 89 89 Led Quantity 24PCS 48PCS 66PCS 84PCS 108PCS 126PCS



Switch Installation Type

‎Table Mount

Date First Available

14 Sept. 2023

Best Sellers Rank

4,699 in Pet Supplies (See Top 100 in Pet Supplies) 10 in Aquarium Lights

Customer reviews:

31 ratings

ASIN ‏ : ‎


Guaranteed software updates until ‏ : ‎


Item Weight

‎290 g

Colour Temperature

‎6500 Kelvin

Bulb Features



‎10 watts

EU Energy Efficiency Label


Type of Bulb


Batteries Required?


Batteries included?


Switch Style

‎Push Button

Manufacturer ‏ : ‎


Power and Plug Description:

‎Corded Electric

Light Direction


Shade Colour


Special features

‎Energy Efficient

Specific Uses



‎20 Volts (DC)

Included Components

‎Bulb included





Number of Items


Part Number


Item model number ‏ : ‎


Product Dimensions ‏ : ‎

2.78 x 38 x 1.45 cm; 290 Grams

Country of origin ‏ : ‎


20 reviews for SEAOURA Submersible Aquarium Lights for Fish Tank, 24/7 Cycle Fish Tank Light with Timer, Full Spectrum+7 Single Colors, Auto On/Off, Adjustable Brightness, 10W (38cm) Pet Supplies

  1. Jeff

    5.0 out of 5 stars

    Not the best instructions

    Not entirely sure how I managed it, or if I could do it again but I’ve currently got this working on its 24/7 mode on a 12 hour cycle and it’s very impressive. Stumbled across a guide on YouTube but can’t comment on the accuracy of that because I’m not touching something that’s not broken! Have bigger tanks and would buy the same for them if these came larger.

  2. Amazon Customer

    5.0 out of 5 stars

    Fishtank lights excuse me

    Arrived on time. Very pleased. The only complaint I have is the writing is so small, it’s hard to see how to operate the different light settings. It’s a bit of Pressing guessing but in all very pleased with the light settings, I do get my tank looks lovely

  3. Amazon Customer

    5.0 out of 5 stars

    I like the light

    Using it for jumping spider set up. I like the light so fat

  4. Craig JenkinsCraig Jenkins

    5.0 out of 5 stars


    This light is brilliant the 24/7 setting on this light works a dream, I spoke with customer services at seaoura about setting the light and they couldn’t help enough and was very friendly highly recomend

  5. KevH

    4.0 out of 5 stars

    Excellent lights, well made

    Bought to replace an older style standard led that failed, and so far the fish seem much happier with the perfectly controlled 24/7 cycle. The light itself is very well made, and the slim profile means it’s unobtrusive if you put it in the tank. I have mounted mine above the water line though, because there is no way to mount the light pointing downward if it’s in the tank. That’s the reason for dropping a star. The sucker mounts are very good, strong suction, but, unlike others I’ve seen, cannot turn the lamp 45 degrees to allow a side mount with the lamp pointing downward. Overall though, fabulous for the money. Jets see if it lasts as long as my old one (5 years).

  6. Aaron

    5.0 out of 5 stars


    This light is amazing the 24/7 timer mode is great. Turns itself off at night but changing to a blue colour and then getting dimmer and dimmer until it turn off completely, on a morning in comes on with an orange glow getting brighter. Colour help to simulate dusk and then sunrise. My fish tank is in my bedroon so is perfect.

  7. Justin

    3.0 out of 5 stars


    I’m not sure who writes all these reviews,the light aspect is good but the instructions are useless and don’t bother buying it I’d you don’t have perfect eyesight because you won’t be able to see what any of the buttons do !! I’ve been trying to set the 24/7 mode for hrs and it’s still not right :/

  8. rob1990

    5.0 out of 5 stars

    Fantastic little light

    Using this in my 25L shrimp tank, brilliant for the money. Only down side is the light is a little washed out compared to my fluval plant led but then the fluval was 10x the price.

  9. Amazon Customer

    5.0 out of 5 stars

    Nice light

    Gives off a really nice light for the cost.

  10. PBB

    5.0 out of 5 stars

    As described

    As described, fast delivery.

  11. Elizabeth H.

    3.0 out of 5 stars

    Didn’t fit tank even though I measured it carefully

    IT DIDNT FIT THE TANK!!!!!!!!!!

  12. Amazon CustomerAmazon Customer

    5.0 out of 5 stars

    Excellent light

    I’m really impressed with this aquarium light. Both my tanks have lids (naughty cat) and I chose to get one for my 18L tank. I initially got it for a spare, but have ended up putting my old one in to storage because this is better!It looks well made and the brackets that hold the suction cups glide along the light smoothly, allowing you to set them up where you want them. The light has not fallen off my lid yet and seems completely stuck so far. My lid is a hard plastic. The light casts good light over the entire tank and I actually have it set to 50% brightness – it’s that good. I grow a few easy plants and I think this light would be capable of growing more demanding plants.The main light is a bright sunny day type light, no colour cast at all and really pleasing. You can also set it to all the different colours mentioned in the description, increasing or decreasing the brightness, although using the colours will never be as bright as the main light. Or you can have it cycle through the colours which transition very smoothly and gently over approximately 3 seconds through to each colour.The 24/7 timer is for a set 15 hour period and allows you to choose from 6, 7 or 8am. The shorter timers 4, 6, 8, 10 or 12 hours run from the time you set them. I have mine on a 6 hour timer for the evening. All timers, once set up, come on and switch off at the same time every day. So all in all a fantastic light that also comes with well written instructions. I’m thinking of getting one for my main tank also!

  13. sky

    5.0 out of 5 stars

    Great aquarium light

    This light is very well made, it is attached to the aquarium with two suction cups, since putting it in my aquarium it hasn’t moved, it has a lot of settings I am using the 24/7 setting on mine and I think it is very good, the light automatically turns on with sunrise colours and gradually gets brighter through the day before changing and dimming until it turns off, the light is easy to use manually and has various colour and brightness options in my opinion for the price it is a really good light.

  14. Friendly reviewer

    5.0 out of 5 stars

    Great light for my fish tank

    This submersible aquarium light is perfect for my fish tank. I have set it to the lid which means it’s only about half-way submerged but with it’s many, many settings, it provides sufficient enough light to brighten the entire tank.There are many settings that let you change between colours and brightness, depending on your certain circumstance. I have mine on medium brightness with the colour cycle enabled so that it will change colour every few seconds. But during the day I will switch it to the white light on full brightness, so my fish are in a well-lit tank.The light itself is great and I would definitely recommend this for anyone with a medium sized tank, whether it’s for fish or other aquatic animals.

  15. Shaun Davey

    5.0 out of 5 stars

    Good quality aquarium light

    “ SEAOURA Submersible Aquarium Lights for Fish Tank” price when reviewed £23.99This thoughtfully designed aquarium light offers a wide variety of settings, colors, and light levels. Its well-crafted construction ensures durability while catering to different preferences and needs. The extensive range of options provides flexibility for users to enhance their aquarium experience according to their liking.Of course, only time will tell whether it will keep the water out!

  16. Tilly

    5.0 out of 5 stars

    Aquarium light

    Really really pleased with this light. You can dim them and have them bright. Easy to suction to the lid or side of your tank. Shows all the beautiful colours of the fish. Really happy

  17. Tomsk

    5.0 out of 5 stars

    Great for refugiums

    For the price i think this little light is great value.Im using it to light a marine reef tanks sump and grow algae in a refugium.I have the full specturm running on the in built timer at the moment on a reverse light cycle to that of my aquarium but may set it to red to see if that improves growth .Im amazed at just how adjustable it is via the little controller and if it lasts a year its more than paid for itself as its so cheap. !!It would also be really good for a fish only aquarium, you would need multiple units for a planted aquarium however and probably not a great choice for corals as unless you install lots of units it probably doesnt have the PAR output for most corals.

  18. SmithySmithy

    5.0 out of 5 stars

    Great quality LED light bar, easy to use and fit

    The media could not be loaded.

     Brilliant LED light bar for your tank. My aquarium’s in-built LED light bar has failed so I am using 2 of these to light it until I finally get around to replacing my tank. They do a great job, are easy to fit, and they are really bright at full intensity. It also has a 24h mode that sets the correct lighting for that time of day meaning you don’t need to remember to switch it on or off. The little remote is great, easy to use and has all the options you need. Overall a great value and good quality LED light bar.

    One person found this helpful

  19. MR B U

    5.0 out of 5 stars

    Sticks very well

    The media could not be loaded.

     I have a 60cm in length tank and purchased the 38cm strip and stuck it to the back wall.I need to reposition it as I can no longer see the ornaments or the catfish but it makes my beta very eye catching. He’s very vain so I’m sure he likes it. The wires is very very long and there are many settings in terms of brightness to adjust it including timers. I rather love it but just needs adjusting. Thanks.

  20. Mike B

    5.0 out of 5 stars

    Good features for the price.

    This aquarium light has all the features I want and at a really good price.The light has a fixed lead with controller half way down and a mains plug/transformer at the end. It’s pretty long and the only issue could be passing the light through a hole if you have an opening in a cabinet.You can set the basic colour (or all for full spectrum), the brightness and the time it stays on (or permanently). The timer is really good as you can have it come on the same time each day and last for the length of time you want, so come on early evening and say on for 6 hours, for example.If you use 2 you can have white light for the main period of illumination and a smaller one on a more red colour for the evening.Seems quite watertight, the suckers keep it in place and everything works as expected.

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