Quick Summary
This USB 5V 3W RGB aquarium light is a submersible LED lamp for fish tanks and similar water features. It uses an ABS housing, has IP68 waterproofing, and includes a suction cup mount for fitting to smooth interior surfaces.
The light has 12 LEDs with automatic slow-dimming RGB colour output and an external on/off switch. It connects to USB power sources such as laptops and power banks.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Product type | LED aquarium light for underwater use. |
| Power | 3 W output at DC 5V, so it needs a suitable USB power source. |
| Water protection | IP68 waterproof and fully encapsulated for submersible use. |
| Lighting | 12 LEDs with RGB automatic slow-dimming colour output. |
| Mounting | Suction cup mount for bottom, side or other smooth interior surfaces. |
| Material | ABS housing. |
| Switching | External on/off switch. |
| Power connection | USB power connection for use with devices such as laptops and power banks. |
What to Compare Before Buying
- Tank size: The light is described for small aquariums, so check that the length and brightness suit the space you want to light.
- Mounting surface: It is intended for smooth, clean interior surfaces on glass, acrylic, square or round aquariums.
- Power access: Confirm you have a suitable USB 5V supply where the aquarium will be placed.
- Light effect: The RGB automatic slow-dimming output gives changing colour rather than a plain white light.
What Else You May Need
You need a suitable USB power source, such as a laptop or power bank, or another compatible 5V USB supply.
Before You Decide
Check the tank size, the available smooth mounting surface and the USB power arrangement before choosing this light. It is a submersible RGB aquarium lamp, so it is best matched to buyers who want a small underwater light rather than a simple white tank light.





