Product number: 5410288293233 View all Sylvania products > View more: LED Bulbs E27 > Sylvania - LED Bulb - E27 - 470 lm - Sphere - clear LED bulb with E27 fitting. This bulb provides 470 lumens of light output and only consumes 4.5 Watts. Beneficial for both the environment and your wallet. Product name ToLEDo RT GLS V5 CL 470LM 827 E27 SL Power (rated) (W) 4.5 Lamp base E27 Luminaire type (open/closed) Open E-number FI 4740906 Luminous flux 470 Luminous flux (rated) (lm) 470 Colour temperature (K) 2700 Power consumption (W) 4.5 Wattage (W) 4.5 Dimmable No Average lifetime (rated) (h) 15000 Warranty 3 years Product specifications LED bulb - E27 - 470 lm - Sphere - clear Item description LED bulb - E27 - 470 lm - Sphere - clear Product number 5410288293233 Dimmable No Energy label F Fitting E27 Lamp appearance Clear Lifespan 15000 Light colour (Kelvin) 2700 Luminous intensity in lumens 470 Lumens per watt 105 Ra value (CRI) 80 Switching cycles 50000 Lamp type Shape Sphere Number of Watts 4.5 Country of origin Netherlands Datasheet_ 5410288271606.pdf What is Watt (W)? The number of Watts is the energy consumption of the lamp. The number of Watts is the consumption per hour. A 60W lamp that is on for 10 hours therefore consumes 60 x 10 = 600 Watt-hours. What are lumens (lm)? Lumens are a unit of light output. The higher the number of lumens, the more light the lamp emits. This has nothing to do with the colour of the light. To compare lamps, it is best to compare the number of lumens. The higher the number of lumens, the higher the amount of light. Environmental information about LED bulb - E27 - 470 lm - Sphere - clear In contrast to traditional lighting, LED lamps use much less energy. With LED lighting, 95% of the energy is converted into light. This means that only a small part is converted into heat, keeping energy consumption significantly lower. An LED lamp can therefore produce the same amount of light as an incandescent or halogen lamp with only a fraction of the power. In addition, LED lighting does not get hot, which greatly reduces the risk of burnout compared to an incandescent bulb. LED also handles shocks and vibrations better. As a result, LED lighting can last up to 50,000 burning hours. A significant difference compared to incandescent bulbs with a maximum of 1,000 burning hours and halogen lamps with 3,500 burning hours.