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9w GLS E27 810lm Colour 2700k dimmable


Key Benefits: Low energy consumption Long lifetime Instant light Ideal replacement for halogen light bulbs Effective heat distribution 3 year warranty   Applications: Domestic application Outdoor use in suitably rated outdoor fitting   Specifications: E27 9w 810 Lumens Colour temperature 2700K 240° beam angle 25,000 hour lifetime Dimmable. 60mm diameter x 115.5mm length.

LED lamp energy saving comparison




Lamp colour ( Kelvins ) 

The colour of a lamp is defined as a measurement called kelvins. A standard GLS light bulb in your house would be 2,700 kelvins which is in the warm colour spectrum and a lamp with 5,000 kelvins would be at the very cold white spectrum. Getting the right colour temperature of a lamp does matter as the warm colour wavelength helps to soften the tone of the area and gives a warm soft relaxed feel and ideal for colourful flower beds and rockery areas especially with wooden bark and at the other end of the scale a 4,000 to 5,000 kelvin lamp colour would be used against a light background such as white walls or to accentuate grey blueish foliage in shrubs and small trees.  When you buy a new, energy efficient bulb, keep your application and colour scheme in mind and make sure to buy the bulb with a colour temperature to match. Coloured filters are good to use with the LED bulbs too especially in winter using green filters give the appearance the trees are still in leaf.

                                                          


Light output ( Lumens )


The amount of light that is produced by a lamp is called lumens and the more lumens the lamp has the brighter it will be. Lumens work in conjunction with kelvins and watts should not be taken in isolation of each other, for example if you had a very warm white lamp at 2,700 kelvins and it produced 300 lumens and you then had another lamp which was a cool white 5,000 kelvins which also produced 300 lumens the cooler lamp colour would always appear brighter to the naked eye than the warmer one this is due to the receptors in the eye that react better to a white light spectrum. Another factor on how bright a light may appear is contrast so if you shine a white 5,000 kelvin light on to a dark wall and a warm 2,700 kelvin lamp on to a white wall the warmer lamp would appear brighter due to the contrast of the material it is focused on. So when choosing a lamp always take in to account the area you want to illuminate and think about Kelvins ( colour ), Lumens ( brightness) and contrast ( colour of area ) The more lumens produced per watt the more energy efficient the lamp will be. That's what makes LED lights so energy effective as they can produce in excess of 500 lumens from a 5w lamp.


Item Specifications

Beam Angle: 230 degrees
Weight: 53g
Length: 115.5mm
Lumens: 810 Lumens
Bulb Type: E27
diameter: 60mm
watts: 9w
colour temperature: 2700 Kelvin
Warranty: 3 Years