| Item condition | New |
| Manufacture name | 2D 4P 28W 840 GR10q 4000K T5 |
| Brand | Tungsram |
| Categories |
Compact fluorescent lamps without integrated ballast
GR10q Light Bulbs GR10q CFL Compact Fluorescent Lamps |
| Country of origin | CN |
| Harmonized System Code | 8539 3190 00 |
| Socket | GR10q |
| Luminous flux | 2150 lm |
| Total length | 204 mm |
| Colour rendering index CRI | 80-89 |
| Diameter | 15 mm |
| Colour temperature | 4000 K |
| Lamp power | 28 W |
| Lamp designation | 2D |
| Packing level 1 | 5994100011651 |
| Colour | White |
| Energy efficiency class | A |
| Integrated starter | Yes |
| Suitable for electronic ballast | No |
| Amalgam technology | No |
| Colour of light | 840 |
| Number of lighting tubes | 1 |
| Colour of light according to EN 12464-1 | Neutral white 3300-5300 K |
| Special application | Other |
| Average nominal lifespan | 15000 h |
| Weighted energy consumption in 1000 hours | 28 kWh |