What colour do people recommend? I purchased cool white for our kitchen but find it too cool and clinical. Is warm white too yellowy? Thanks.

These bulbs provide a bright white light rather akin to modern car headlights. The light is in no way yellowy. I would not describe the light as "warm", it is too bright for that description to be appropriate. I have these bulbs in a six-bulb light in my small kitchen and a four-bulb light in my small dining room which provide good overall illumination but not too bright. Hope this helps.

What are the dimensions of the individual bulbs?

Diameter of front of bulb=50mm. Depth of cone=20mm. Diameter of neck=22mm. Depth of neck=22mm. Overall depth from front glass to tip of contacts=53mm.

the picture shows 5kwh per 1000h, that means 1 bulb will consume 5kwh x £0.34 over 1000h?

Yes … in theory. Each ‘lamp’ is 5W, so 200 hours of constant use will use 1KWh (0.34p if that is your current rate). Compared to a conventional 100W bulb (if such things exist anymore!!) which would use the same energy is just 10 hours! (Or in your figures above it would cost £1.70 for just under 42 days of constant use!)

which type of lamp provides a narrow beam for doorway access only

If you want a narrow beam, you'll need the 35 degree beam angle version - check the specs. I have the 120 degree version which provide really good coverage (in my kitchen). Overall though I would highly recommend this brand to you - I've only had 1 failure in over 4 years of use ( and I have a lot of them fitted!)

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10 X 5W GU10 LED Super Bright Spotlight Bulb 450lm 120 Degree Beam Angle Non Dimmable 50W Halogen Equivalen Cool White 6400K

10 X 5W GU10 LED Super Bright Spotlight Bulb 450lm 120 Degree Beam Angle Non Dimmable 50W Halogen Equivalen Cool White 6400K

Product ID: 51242081

Details

Brand
sanlumia
Bulb shape size
MR16
Light type
LED
Special feature
Energy
Wattage
5 watts

⚡90% less energy vs 50W halogen

🌐120° wide beam angle

💡5W LED power, ultra-efficient

8020 som

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Description

💡 Illuminate smarter, not harder — join the energy-efficient lighting revolution!

LONG LASTING GLOW - 25,000 hours lifespan means fewer replacements and more uninterrupted productivity.
PLUG PLAY UPGRADE - Retrofit-ready GU10 base fits existing fixtures—easy swap, instant modern lighting.
ECO CONSCIOUS CHOICE - Lead, mercury, UV, and IR free with A+ energy rating—light up your space sustainably.
WIDE ANGLE BRILLIANCE - 120° beam floods your space with uniform, flicker-free cool white light at 6400K for crisp clarity.
SUPERCHARGED EFFICIENCY - Consumes just 5W while matching 50W halogen brightness—save energy without compromise.

The Sanlumia 10-pack of 5W GU10 LED spotlight bulbs delivers bright 450 lumen output with a wide 120° beam angle, perfectly replicating a 50W halogen in cool white 6400K. Designed for easy retrofit into existing GU10 fittings, these non-dimmable LEDs offer flicker-free, energy-saving illumination with a 25,000-hour lifespan and an A+ energy rating, making them an eco-friendly, cost-effective lighting upgrade for modern interiors.

Specifications

ASIN	B074D6HR1Z
Accepted Voltage Frequency	220 to 240 Volts and 50 Hertz
Average Life Span	25000 Hours
Best Sellers Rank	1,890 in Lighting ( See Top 100 in Lighting ) 389 in LED Bulbs
Brand Name	sanlumia
Bulb Base	GU10
Bulb Diameter	50 Millimetres
Bulb Shape Size	MR16
Color Rendering Index (CRI)	90
Color Temperature	6400 Kelvin
Colour	Cool White 6400k
Connectivity Technology	Infrared
Control Method	Touch
Controller Type	Push Button
Country Of Origin	China
Customer Reviews	4.6 4.6 out of 5 stars (1,911)
EU Energy Efficiency Label	A+
Incandescent Equivalent	50 Watts
Indoor Outdoor Usage	Indoor
Item Dimensions W x H	5W x 5.3H centimetres
Item Shape	Reflector(R)
Light Color	Cool White
Light Output Maximum	400 Lumens
Light Source Wattage	5 Watts
Light Type	LED
Manufacturer	Sanlumia
Manufacturer Part Number	GU10 5W PC
Material Type	Semiconductor (Led)
Model Number	GU10-5W-WA-C64
Number of Items	10
Package Quantity	10
Power Consumption	50 Watts
Power Source	Corded Electric
Special Features	Energy Efficient
Type of Bulb	LED
Unit Count	10.0 count
Voltage	220 Volts (AC)
Wattage	5 watts
White Brightness	450 Lumens

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