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Light Bulbs & Fluorescent Lights

What type of bulb and socket to choose? We will advise you.

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Socket

The base part of the bulb that connects to the lamp. There are several types of fittings:

E27

 27 mm in diameter, this is one of the most common fittings. It’s used by almost every light source with a voltage of 230 V, i.e. classic incandescent lamps, halogen, energy-saving, and LED bulbs. You can usually find this type in ceiling or wall lighting fixtures or chandeliers.

E14

 Has the same screw as E27, so once again, it’s used in classic incandescent lamps, halogen, energy-saving, and LED bulbs. They differ only in diameter, which in this case is 14 mm. The operating voltage is 230 V. Commonly used in smaller lamps, spot lights, and candelabra and chandeliers consisting of a large number of light bulbs.

GU10

 This slot has no screw. Instead, it has two pins with a diameter of 5 mm that you snap into the lamp and twist slightly. Its operating voltage is 230 V and this type is most commonly encountered in halogen or LED bulbs. It is used in ceiling lights, spot lights, or in bathroom and lavatory fixtures.

G4

 A threadless socket, it features two pins 4 mm apart that you snap into the lamp. Its operating voltage is 12V. Most commonly found in kitchen counter lighting fixtures, low ceilings, or bars.

GU5.3

 Another threadless socket, it features two pins 1 mm in diameter and spaced 5.3 mm apart. The socket is designed for 12V. The light source is usually a halogen or LED bulb. Mainly used in smaller lamps and spot lights.

G9

 A threadless socket similar to GU10. It has two pins that snap into the lamp. This is the smallest size for 230V halogen and LED bulbs. Most commonly used in ceiling fixtures, spot lights, or in bathroom and lavatory fixtures.

R7s

 A linear, tube-shaped socket inserted into a fork with a pitch of 78-189 mm. Its operating voltage is 230 V. Used in halogen spotlights, LED lamps, floor lamps, or architectural lighting fixtures.

Technology

Incandescent light bulbs

  • The cheapest light source when it comes to purchase cost. The massive heat loss, however, makes them very inefficient. Over 90% of the consumed energy is converted into heat and only the remaining 10% into light. Their service life is also low – 1,000 hours on average.

Halogen bulbs

  • About 30% more efficient than incandescent bulbs. Illuminate at the full power right after you switch them on, can be dimmed, and their purchase cost is lower than that of LED bulbs. Their operating costs are considerably higher, so they are mainly used in places where you need strong light for a short time. Their service life is 2,000 to 3,000 hours.

Energy-effcient light bulbs

  • Roughly 75% more efficient than incandescent bulbs. After switching, it takes a while before they reach their maximum brightness, so they aren’t suitable for places where lights are often turned on and off. Lose their original luminance after a few years. Their service life ranges between 6,000 and 20,000 hours.

LED bulbs

  • The latest and most efficient technology. Their service life is remarkable - usually between 20,000 and 50,000 hours. Achieve high brightness with minimum energy consumption. A 9W LED bulb is equivalent to a 60W halogen lamp.
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945 Results
TESLA LED 7W GU10 GU100740-2 - LED Bulb
2 variants
4.7 183×
TESLA LED 7W GU10 GU100740-2
LED Bulb - lamp cap GU10, power input 7 W, 230 V, luminous flux 560 lm, neutral light (4000 K), diameter of 5 cm, lifespan 25000 h, energy label F, 1 piece in package
from  72,-
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In stock > 20 pcs
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Order Code: EN416g
Solight LED bulb, spot, 7W, GU10, 6000K, 595lm, white - LED Bulb
4.8 28×
Solight LED bulb, spot, 7W, GU10, 6000K, 595lm, white
LED Bulb - lamp cap GU10, power input 7 W, 230 V, luminous flux 595 lm, cool light (6000 K), diameter of 5 cm, lifespan 35000 h, energy label E, 1 piece in package
59,-
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Order Code: Solight24055
EMOS Classic Mini Globe, E27, 4.2 W (40 W), 470 lm, warm white - LED Bulb
7 variants
4.9 145×
EMOS Classic Mini Globe, E27, 4.2 W (40 W), 470 lm, warm white
LED Bulb - lamp cap E27, power input 4,2 W, 230 V, luminous flux 470 lm, warm light (2700 K), diameter of 4,5 cm, lifespan 30000 h, energy label E, 1 piece in package
from  50,-
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Order Code: EMOS24083
RETLUX REL 39 LED R50 4x6W E14 WW - LED Bulb
2 variants
4.7 63×
RETLUX REL 39 LED R50 4x6W E14 WW
LED Bulb - lamp cap E14, power input 6 W, 230 V, luminous flux 510 lm, warm light (3000 K), diameter of 5 cm, lifespan 25000 h, energy label F, 4 in package
154,-
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Order Code: RTLX17138
Solight miniglobe E14 LED bulb 6W 4000K - LED Bulb
5.0 67×
Solight miniglobe E14 LED bulb 6W 4000K
LED Bulb - lamp cap E14, power input 6 W, neutral light (4000 K), diameter of 4,5 cm, energy label F, 1 piece in package
49,-
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Order Code: SD078v
EMOS Classic Mini Globe, E14, 4,2 W (40 W), 470 lm, neutral white - pack of 3 - LED Bulb
9 variants
4.8 96×
EMOS Classic Mini Globe, E14, 4,2 W (40 W), 470 lm, neutral white - pack of 3
LED Bulb - lamp cap E14, power input 4,2 W, 230 V, luminous flux 470 lm, neutral light (4000 K), diameter of 4,5 cm, lifespan 30000 h, energy label E, 3 in package - from 39 Kč/ks
from  116,-
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Order Code: EMOS25087
AQARA LED Bulb T2 GU10, RGB CCT (LB-L03D) - LED Bulb
5.0 5×
AQARA LED Bulb T2 GU10, RGB CCT (LB-L03D)
LED Bulb - smart, lamp cap GU10 - lamp cap GU10, power input 4,9 W, 230 V, luminous flux 450 lm, adjustable light temperature (2000-9000 K), diameter of 5 cm, Bluetooth, compatible with Aqara Home, Manufacturer app, control via app in both Czech and English, lifespan 25000 h, energy label F, 1 piece in package
599,-
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Order Code: Aqara25008
EMOS Classic A60, E27, 9,5 W (75 W), 1055 lm, neutral white, 3 pcs - LED Bulb
10+ variants
4.8 172×
EMOS Classic A60, E27, 9,5 W (75 W), 1055 lm, neutral white, 3 pcs
LED Bulb - lamp cap E27, power input 9,5 W, 230 V, luminous flux 1055 lm, neutral light (4000 K), diameter of 6 cm, lifespan 30000 h, energy label E, 3 in package - 56 Kč/ks
169,-
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Order Code: EMOS24119
IMMAX NEO LITE Smart 3x LED bulb E14 6W RGB+CCT colour and white, dimmable, WiFi, P45 - LED Bulb
4.3 10×
IMMAX NEO LITE Smart 3x LED bulb E14 6W RGB+CCT colour and white, dimmable, WiFi, P45 + prodloužená záruka o 1 rok ZDARMA
LED Bulb - smart, lamp cap E14 - lamp cap E14, power input 6 W, 230 V, luminous flux 470 lm, adjustable light temperature (2700-6500 K), diameter of 4,5 cm, WiFi 2,4 GHz, compatible with Apple Siri shortcuts, Tuya, Lidl Home, Immax NEO PRO, control via app in both Czech and English, lifespan 25000 h, energy label F, 3 in package - from 159 Kč/ks
from  476,-
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Order Code: IMXX21388
Tesla - LED bulb BULB E27, 17W, 230V, 2100lm, 25 000h, 6500K cold white 220st - LED Bulb
3 variants
5.0 11×
Tesla - LED bulb BULB E27, 17W, 230V, 2100lm, 25 000h, 6500K cold white 220st
LED Bulb - lamp cap E27, power input 17 W, 230 V, luminous flux 2100 lm, cool light (6500 K), diameter of 6,5 cm, lifespan 25000 h, energy label E, 1 piece in package
Buy with code ALZADNY15 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 15 % s kódem ALZADNY15. Klikněte a kód se uplatní automaticky. 159,-
Amazing Deal 187,- Save 42,-
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In stock > 5 pcs
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Order Code: TslLight23_007
Philips LED 4-60W, E27, 4000K, A - LED Bulb
4.6 22×
Philips LED 4-60W, E27, 4000K, A
LED Bulb , power input 4 W, luminous flux 840 lm, neutral light (4000 K), 1 piece in package
309,-
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In stock > 10 pcs
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Order Code: PHL22006
Philips Hue White and colour Ambiance Light Guide E27 Ellipse - LED Bulb
5.0 8×
Philips Hue White and colour Ambiance Light Guide E27 Ellipse
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 6,5 W, 230 V, luminous flux 500 lm, adjustable light temperature (2000-6500 K), diameter of 18,5 cm, Bluetooth, compatible with Apple Home, Philips Hue, control via app in both Czech and English, lifespan 25000 h, energy label G, 1 piece in package
2,559,-
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In stock 2 pcs
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Order Code: PHL22034
RETLUX RLL 298 G4 3,5 W LED 12V WW - LED Bulb
4.7 12×
RETLUX RLL 298 G4 3,5 W LED 12V WW
LED Bulb - lamp cap G4, power input 3,5 W, 12 V, luminous flux 380 lm, warm light (3000 K), diameter of 1,5 cm, lifespan 15000 h, energy label F, 1 piece in package
89,-
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Order Code: RTLX22_005
Nitebird Smart Bulb WB2 - LED Bulb
4.0 43×
Nitebird Smart Bulb WB2
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 8 W, 230 V, warm light (2700 K), diameter of 9 cm, WiFi 2,4 GHz, compatible with Tuya, control via app in English, lifespan 20000 h, 1 piece in package
138,-
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Order Code: NtBrD01
TESLA LED Bulb Mini-globe BULB E14, 8W, Day White - LED Bulb
4 variants
4.8 110×
TESLA LED Bulb Mini-globe BULB E14, 8W, Day White
LED Bulb - lamp cap E14, power input 8 W, 230 V, luminous flux 900 lm, neutral light (4000 K), diameter of 4,5 cm, lifespan 25000 h, energy label E, 1 piece in package
89,-
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In stock > 20 pcs
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Order Code: TSL19012
EMOS LED Bulb Classic JC, A++, 4.5W, E14, Neutral White - LED Bulb
2 variants
4.7 81×
EMOS LED Bulb Classic JC, A++, 4.5W, E14, Neutral White
LED Bulb - lamp cap E14, power input 4,5 W, 230 V, luminous flux 465 lm, neutral light (4100 K), diameter of 2 cm, lifespan 30000 h, energy label F, 1 piece in package
from  125,-
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In stock > 10 pcs
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Order Code: EMS19002
RETLUX RLL 445 E27 bulb 30W WW - LED Bulb
5.0 11×
RETLUX RLL 445 E27 bulb 30W WW
LED Bulb - lamp cap E27, power input 30 W, 230 V, luminous flux 3200 lm, diameter of 10 cm, lifespan 25000 h, energy label F, 1 piece in package
Buy with code ALZADNY15 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 15 % s kódem ALZADNY15. Klikněte a kód se uplatní automaticky. 212,-
249,-
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In stock > 10 pcs
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Order Code: RTLX17123
Philips 40W B35 E14 2700K FR UE SRT4 - LED Bulb
4.7 11×
Philips 40W B35 E14 2700K FR UE SRT4
LED Bulb - lamp cap E14, power input 2,3 W, 230 V, luminous flux 485 lm, warm light (2700 K), lifespan 50000 h, energy label A, 1 piece in package
199,-
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In stock > 10 pcs
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Order Code: PHLS25049
Tesla Filament A class, E27, 2W, 420lm, 2700K warm white, 360deg, clear, 230V, 25 000h - LED Bulb
5 variants
4.7 26×
Tesla Filament A class, E27, 2W, 420lm, 2700K warm white, 360deg, clear, 230V, 25 000h
LED Bulb - lamp cap E27, power input 2 W, 230 V, luminous flux 470 lm, warm light (2700 K), diameter of 10,5 cm, lifespan 25000 h, energy label A, 1 piece in package
149,-
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In stock > 10 pcs
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Order Code: TES24007
Solight LED Spotlight, GU10, 5W, 4000K - LED Bulb
4.9 40×
Solight LED Spotlight, GU10, 5W, 4000K
LED Bulb - lamp cap GU10, power input 5 W, 230 V, neutral light (4000 K), diameter of 5 cm, energy label F, 1 piece in package
59,-
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In stock > 20 pcs
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Order Code: SD078d1
EMOS Filament A60, E27, 5,9 W (60 W), 806 lm, warm white - pack of 3 - LED Bulb
10+ variants
4.8 416×
EMOS Filament A60, E27, 5,9 W (60 W), 806 lm, warm white - pack of 3
LED Bulb , power input 5,9 W, 230 V, filament, luminous flux 806 lm, warm light (2700 K), diameter of 6 cm, lifespan 25000 h, energy label D, 3 in package - 66 Kč/ks
199,-
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In stock > 10 pcs
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Info
Order Code: EMOS25089
EMOS Smart LED bulb GoSmart A60 E27 11 W (75 W) 1 050 lm RGB dimmable Zigbee - LED Bulb
3.9 14×
EMOS Smart LED bulb GoSmart A60 E27 11 W (75 W) 1 050 lm RGB dimmable Zigbee
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 11 W, 230 V, luminous flux 1050 lm, adjustable light temperature (2700-6500 K), diameter of 6 cm, WiFi 2,4 GHz, compatible with Tuya, Lidl Home, EMOS GoSmart, control via app in both Czech and English, lifespan 20000 h, energy label F, 1 piece in package
269,-
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In stock > 10 pcs
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Info
Order Code: HM521b10
Philips Hue White and colour Ambiance 5W GU10 Starter Kit PRO - LED Bulb
5.0 1×
Philips Hue White and colour Ambiance 5W GU10 Starter Kit PRO
LED Bulb - smart, lamp cap GU10 - lamp cap GU10, power input 5 W, 230 V, luminous flux 400 lm (2000 K), Bluetooth, compatible with Apple Home, Google Home, Philips Hue, control via app in both Czech and English, lifespan 25000 h, energy label E, 3 in package
5,119,-
From 118,- per month
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In stock > 5 pcs
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Info
Order Code: PHLS25089
RETLUX RLL 467 G120 E27 bigG 20W WW - LED Bulb
4.2 17×
RETLUX RLL 467 G120 E27 bigG 20W WW
LED Bulb - lamp cap E27, power input 20 W, 230 V, luminous flux 2050 lm, diameter of 12 cm, lifespan 25000 h, energy label F, 1 piece in package
Buy with code ALZADNY15 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 15 % s kódem ALZADNY15. Klikněte a kód se uplatní automaticky. 144,-
169,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RTLX17155
 

Light Bulbs & Fluorescent Lights

Alza Days LED Bulbs LED bulbs Light Bulbs & Fluorescent Lights Sorted by Socket by Socket Fluorescent Tube Lamps Fluorescent Tubes Smart Light Bulbs Light Sources Efficient Lamps Efficient Spotlight Bulbs Spotlight Oven Light Bulbs Oven Vintage & Retro Light Bulbs Retro Light Bulb Value Packs Value Packs Car Lightbulbs Car Bulbs AlzaPower Light Bulbs & Fluorescent Lights AlzaPower Jak vybrat žárovku
 

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Light Bulbs & Fluorescent Lights

In the category Light Bulbs & Fluorescent Lights on Alza.cz, we currently have a total of 1043 products, which you can easily buy online and get quickly delivered. See all of your purchases and make orders on our easy-to-use app.
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