11W T4 Round Fluorescent Ring Tube Lamp – 4-Pin Warm White
11W T4 Round Fluorescent Ring Tube Lamp – 4-Pin Warm White
11W T4 Round Annular Fluorescent Ring Tube – 4-Pin, 2700K Warm White
Brighten up your home or workspace with this compact 11W T4 Round Annular Fluorescent Ring Tube Lamp. Designed with a classic ring/annular shape and a reliable 4-pin base, it delivers a warm 2700K glow that creates a cozy, inviting ambiance — perfect for ceiling fixtures, vanity lights, and decorative fittings. Made in Mainland China.
Key Features
- Power: 11W — energy-conscious illumination without sacrificing brightness
- Color Temperature: 2700K Warm White — soft, cozy light ideal for living rooms, bedrooms, and bathrooms
- Tube Type: T4 Round Annular (Ring Shape)
- Base: 4-Pin connector for secure, stable installation
- Voltage: 220V compatible (121V–240V range)
- Average Lifespan: Up to 8,000 hours of long-lasting use
- Beam Angle: 15° for focused, directional lighting
- Material: Durable glass construction
- Size: 12.2cm × 1.3cm | Weight: 55g — lightweight and easy to handle
- Certification: CCC Certified for safety and quality assurance
Specifications at a Glance
| Model | T4 |
| Shape | Round Annular (Ring) |
| Power | 11W |
| Color | White (2700K Warm White) |
| Voltage | 220V (121V–240V) |
| Average Life | 8,000 Hours |
| Beam Angle | 15° |
| Size | 12.2cm × 1.3cm |
| Weight | 55g |
| Material | Glass |
| Pins | 4-Pin Base |
| Certification | CCC |
| Origin | Made in Mainland China |
What's in the Box?
- 1 × T4 Round Annular Fluorescent Ring Tube Lamp (11W, 4-Pin)
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Frequently Asked Questions
Q: What type of fixture is compatible with this T4 Round Annular Ring Tube Lamp?
A: This 11W T4 ring tube is designed for fixtures that use a 4-pin T4 round annular base. It is commonly used in ceiling lights, bathroom vanity fittings, decorative ring-light fixtures, and reading lamps. Always verify your fixture's base type before purchasing.
Q: What is the color temperature of this fluorescent ring tube, and where is it best used?
A: This lamp emits a 2700K warm white light, which produces a soft and cozy atmosphere. It is well-suited for living rooms, bedrooms, bathrooms, and other spaces where a relaxing, warm ambiance is desired.
Q: Is this ring tube lamp compatible with 110V systems?
A: This lamp is rated for 220V operation within a 121V–240V range. If you are in a 110V region, please check compatibility carefully or use an appropriate voltage converter before installation.
Q: How long does this T4 fluorescent ring tube last?
A: The average rated lifespan of this lamp is 8,000 hours, making it a long-lasting choice for everyday home lighting needs.
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.