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4.5w GU10 SMD LED Glass Covered lamp, 120 Degree beam angle, Natural White 4000k, 380 Lumens, Dimmable


This GU10 LED bulb features 60 individual high quality 5050 SMD LEDs that emit a light output of 380Lm. They're intelligently designed to considerably reduce energy consumption by up to 90% and are available in both Warm and Cool white options. When ordering these particular lamps you will see they are only available in a dimmable option. This means they are fully compatible with both dimmable and non-dimmable applications. Using only 4.5 watts of power these are by far our most energy efficient bulbs available and equivalent in brightness to a 50 watt bulb.

These GU10 bulbs feature a massive 120-degree beam angle; designed to output the widest beam angle available of any SMD bulb on the market today. These bulbs will install into any GU10 socket with an input voltage of 240V and is designed for any domestic, commercial or retail installations. They use only 10% of the energy when compared to the older style bulbs, thereby offering significant savings that consumers simply cannot ignore.

Lasting 50,000 hours compared to a halogen lamp which last 2000 hours, LED bulbs usually pay for themselves within six months of installation. Homeowners and businesses can now go years without the hassle of having to change bulbs. These LED equivalents feature shock and vibration resistant technology, there is no filament to ever burnout so they run considerably cooler than standard filament bulbs.

Main Features:

• 60 individual high quality SMD chips, 120 degree beam angle
• Cost Effective Energy Savings within 6 months of installation
• Spiral alloy housing - great for dispersing heat
• 30-year Average Lifespan (6-year Lifespan when left on 24/7)
• Consume 10% of the energy used by traditional light bulbs
• No start-up delay or flickering, normal brightness when electrified
• LED bulbs do not contain a filament that can easily be damaged
• Environmentally Friendly - LED bulbs contain no Glass or Mercury.



Example of LED lamp energy savings






Lamp colour ( Kelvins )








Light output ( Lumen's )



The amount of light that is produced by a lamp is called lumen's and the more lumen's the lamp has the brighter it will be. Lumen's 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 lumen's and you then had another lamp which was a cool white 6,000 kelvins which also produced 300 lumen's 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 6,000 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 ), Lumen's ( brightness) and contrast ( colour of area ) The more lumen's produced per watt the more energy efficient the lamp will be, for example you can have a 25w candle lamp that produces 170 lumen's or a more energy efficient 18w candle lamp that produces 180 lumen's so even though the wattage is smaller the lumen's are greater which makes it use less electricity. That's what makes LED lights so energy effective as they can produce 700 lumen's from a 5w lamp.

Light intensity or Light levels ( LUX )


Light levels are measured in something called LUX. Put simply LUX is a measurement of light falling on a given surface area. For example an average LUX of 200 would be needed for an outdoor tennis court for recreational purposes and a side street walkway would have an average of 5 LUX. To calculate lux levels you need a very good calculator or computer as there is a number of factors that need to be taken in to account.Lux levels can be effected by a beam angle of a lamp, for example if you had a 50w 38 degree MR16 halogen lamp at 3 mtrs from the floor and another 50w 10 degree MR16 lamp placed next to it, the one with the 10 degree beam angle would record a higher lux level due to the concentrated light in a small area so you could drop the 50w lamp to a 35w lamp to save energy and still achieve the desired light level.

Item Specifications

Beam Angle: 120 degree
Lamp description: SMD LED
Voltage: 240 volt
Length: 56mm
Dimmable: yes
Lumens: 380 Lumens
Bulb Type: GU10
Lamp Watts: 4.5w
diameter: 50mm
colour temperature: 6000 kelvin, 3000 Kelvin, 4000 Kelvin