





light bulbs ×3
Product Specifications
Transition from old to new models is ongoing; products are shipped randomly.
Most products have switched to new models; purchase with confidence.
If concerned about model version, please consider before purchasing.
| Power | Color Temperature (K) | Luminous Flux (lm) | Color Rendering Index (Ra) | Beam Angle | Material | Applicable Area (m²) | Energy Efficiency Grade | Dimensions (mm) | Light Color |

Youshiyinxing 9.5W|6500K|2-Level Energy Efficiency|Single Piece
CN¥23.90

2.5W Cool White 6500K [E27 Screw Base]
CN¥4.69
|-------|-----------------------|--------------------|----------------------------|------------|--------------------|----------------------|-------------------------|------------------|-------------|
| 3W | 3000 | ≥270 | >80 | 180° | Plastic-wrapped Aluminum + PC | 0~5 | Grade 3 (old), Grade 2 (new) | Φ45×82 | Warm White |
| 3W | 6500 | ≥300 | >80 | 180° | Plastic-wrapped Aluminum + PC | 0~5 | Grade 3 (old), Grade 2 (new) | 45×82 | Cool White |
| 6W | 3000 | ≥540 | >80 | 180° | Plastic-wrapped Aluminum + PC | 0~5 | Grade 3 (old), Grade 2 (new) | Φ60×105 | Warm White |
| 6W | 6500 | ≥600 | >80 | 180° | Plastic-wrapped Aluminum + PC | 0~5 | Grade 3 (old), Grade 2 (new) | 60×105 | Cool White |
| 9W | 3000 | ≥810 | >80 | 180° | Plastic-wrapped Aluminum + PC | 5~10 | Grade 2 | Φ60×105 | Warm White |
| 9W | 6500 | ≥900 | >80 | 180° | Plastic-wrapped Aluminum + PC | 5~10 | Grade 2 | 60×105 | Cool White |
| 12W | 3000 | ≥1080 | >80 | 180° | Plastic-wrapped Aluminum + PC | 5~10 | Grade 2 | Φ60×112 | Warm White |
| 12W | 6500 | ≥1200 | >80 | 180° | Plastic-wrapped Aluminum + PC | 5~10 | Grade 2 | Φ60×112 | Cool White |
| 15W | 3000 | ≥1350 | >80 | 180° | Plastic-wrapped Aluminum + PC | 10~15 | Grade 2 | Φ70×137 | Warm White |
| 15W | 6500 | ≥1500 | >80 | 180° | Plastic-wrapped Aluminum + PC | 10~15 | Grade 2 | Φ70×137 | Cool White |
High brightness and long-lasting durability.
Flicker-free technology to protect eyes and reduce visual fatigue.
High color rendering index (Ra > 80) for true-to-life color presentation.
Stable color temperature options to create customized home ambiance.
Anti-light decay design ensures minimal brightness loss over years of use.
High-transparency PC cover for uniform and soft light distribution.
High-strength thermoplastic housing for efficient heat dissipation.
Standard E27 screw base for easy installation.
Energy-efficient LED chips for long-lasting and energy-saving performance.
1-year quality guarantee.
New models have improved energy efficiency from Grade 3 to Grade 2 in most specifications.
Color temperature options mainly 3000K (warm) and 6500K (cool), with some older models at 5700K.
Product dimensions and luminous flux vary by wattage and color temperature.
Please refer to actual product received due to ongoing model transition.

200W-Engineering Finned Heat Sink, E27 Screw Base
CN¥49.70

50W-Engineering Finned Heat Sink, E27 Screw Base
CN¥15.80