USB Clip-On Aquarium LED Light 3W – Waterproof Fish Tank Grow Lamp

USB Clip-On Aquarium LED Light – Super Slim 3W Fish Tank Plant Grow Lamp

Transform your aquarium into a vibrant underwater showcase with this compact, waterproof clip-on LED light. Designed for 20–40 cm fish tanks, this 3W USB-powered lamp delivers beautiful, safe illumination that enhances the colors of your fish and encourages healthy aquatic plant growth — all without harming your fish or affecting water quality.

Key Features

• 3 Color Modes: Choose between Warm White, Neutral White, and Cool White to perfectly match your aquarium's aesthetic.
• 360° Rotating Flexible Hose: Easily position the light at any angle to achieve the ideal illumination coverage for your tank.
• Adjustable Brightness: Fine-tune the light intensity using the external inline switch — from subtle ambiance to bright, vivid illumination.
• Variable Focus (BT-Q3T model): Push or retract the lamp head to switch between wide-angle astigmatism and focused spotlight beam (15–60° zoom range).
• Safe & Fish-Friendly: Designed purely to beautify your tank — produces no harmful emissions and will not pollute the water.
• Easy Clip-On Installation: No tools required. Simply clip onto the tank edge and plug into any USB port or charger.
• Super Slim & Compact Design: Unobtrusive profile keeps the focus on your aquatic world, not the hardware.
• Waterproof Construction: Built to withstand the humid aquarium environment with confidence.

Specifications

• Power: 3W
• Input Voltage: DC 5V (USB powered)
• Wire Length: 120 cm / 3.9 ft
• Light Color Modes: Warm White / Neutral White / Cool White
• Suitable Tank Size: 20–40 cm aquariums
• Fixture Type: Clip-On
• Package Contents: 1 × Clip-On Aquarium LED Light (USB cable included; charger not included)
• Country of Origin: Made in China

⚡ Please Note: This product operates at DC 5V via USB. A USB charger/adapter is not included. Please ensure USB 5V power is available in your country before ordering. Only the BT-Q3T variant supports variable focus beam adjustment.

Perfect For

• Freshwater and saltwater aquariums (20–40 cm)
• Aquatic plant growth lighting
• Decorative fish tank ambiance
• Home, office, or desktop aquarium setups

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Frequently Asked Questions

Q: What power source does this aquarium clip-on LED light use?

A: This light is powered via a standard USB connection at DC 5V (3W). It works with any USB charger, power bank, or USB port. Please note that a USB charger/adapter is not included in the package.

Q: Is this aquarium LED light safe for fish and aquatic plants?

A: Yes — the light is specifically designed to safely illuminate and beautify your fish tank. It produces no harmful emissions and will not pollute the water or harm your fish or aquatic plants.

Q: Can I adjust the brightness and beam angle of this clip-on aquarium lamp?

A: Yes. All models include an external inline switch for brightness adjustment. The BT-Q3T variant additionally features a variable focus system — push or retract the lamp head to switch between a wide-angle spread (astigmatism) and a concentrated spotlight beam, adjustable from 15° to 60°. The 360° flexible hose also lets you aim the light exactly where you need it.

Q: What size aquarium is this LED light suitable for?

A: This clip-on aquarium light is optimally designed for fish tanks measuring 20–40 cm in length, making it ideal for small to medium desktop or home aquariums.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.