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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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761 Results
4.3
Philips Hue White and colour ambiance 6.3W 12V MR16 2P EU
LED Bulb - smart, lamp cap GU5,3 - lamp cap GU5,3, power input 6,3 W, 230 V, luminous flux 400 lm, adjustable light temperature (2200-6500 K), diameter of 5 cm, Bluetooth, compatible with Apple Home, Google Home, Philips Hue, control via app in both Czech and English, lifespan 25000 h, energy label G, 2 in package
94.90 €
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In stock 2 pcs
Order Code: PHLS23021
4.1 72×
RETLUX RLL 417 GU10 bulb 9W WW
LED Bulb - lamp cap GU10, power input 9 W, 230 V, luminous flux 820 lm, warm light (3000 K), diameter of 5,7 cm, lifespan 20000 h, energy label F, 1 piece in package
Buy with code ALZADAYS15AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 15 % Rabatt mit dem Code ALZADAYS15AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 3.73 €
4.39 €
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In stock > 10 pcs
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Order Code: RTLX22_052
4.4
AQARA LED Bulb T2 E27, CCT (LB-L02E)
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 10,5 W, 230 V, luminous flux 1100 lm, adjustable light temperature (2700-6500 K), diameter of 6 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
20.90 €
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In stock > 5 pcs
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Order Code: Aqara25005
4.8 170×
EMOS Classic A60, E27, 7 W (60 W), 806 lm, warm white
LED Bulb - lamp cap E27, power input 7 W, 230 V, luminous flux 806 lm, warm light (2700 K), diameter of 6 cm, lifespan 30000 h, energy label E, 1 piece in package
Amazing Deal from  1.97 €
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In stock > 50 pcs
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Order Code: EMOS24087
4.7 237×
EMOS Led bulb Classic JC 4W G9 neutral white, 2 pcs
LED Bulb - lamp cap G9, power input 4 W, 230 V, luminous flux 470 lm, neutral light (4000 K), diameter of 1,9 cm, lifespan 30000 h, energy label E, 2 in package - from 3.60 €/ks
Great price from  7.19 €
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In stock > 10 pcs
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Order Code: EMS17119
4.6 16×
Philips LED 2,3-40W, E14, 3000K, A
LED Bulb - lamp cap E14, power input 2,3 W, 230 V, luminous flux 485 lm, warm light (3000 K), diameter of 3,5 cm, lifespan 50000 h, energy label A, 1 piece in package
7.60 €
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In stock 3 pcs
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Order Code: PHL22058
4.8 212×
Tesla - LED bulb BULB E27, 9W, 230V, 1055lm, 25 000h, 3000K warm white, 220deg
LED Bulb - lamp cap E27, power input 9 W, 230 V, luminous flux 1055 lm, warm light (3000 K), diameter of 6 cm, lifespan 25000 h, energy label E, 1 piece in package
Buy with code ALZADAYS15AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 15 % Rabatt mit dem Code ALZADAYS15AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 2.71 €
3.19 €
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In stock > 20 pcs
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Order Code: TslLigh22_48
4.9 74×
EMOS Filament candle A CLASS, E14, 3,8 W (60 W), 806 lm, neutral white
LED Bulb - lamp cap E14, power input 3,8 W, 230 V, luminous flux 806 lm, neutral light (4000 K), diameter of 3,5 cm, lifespan 50000 h, energy label A, 1 piece in package
from  7.01 €
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In stock > 10 pcs
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Order Code: EMOS24225
4.7 237×
EMOS LED bulb Classic JC 1,9W G9 warm white
LED Bulb - lamp cap G9, power input 1,9 W, 230 V, luminous flux 210 lm, warm light (3000 K), diameter of 1,5 cm, lifespan 30000 h, energy label E, 1 piece in package
from  5.39 €
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In stock > 20 pcs
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Order Code: EMS17117
4.7
RETLUX RLL 455 G9 COB 2,2W LED WW
LED Bulb - lamp cap G9, power input 2 W, 230 V, luminous flux 250 lm, diameter of 1,45 cm, lifespan 15000 h, energy label F, 1 piece in package
3.70 €
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In stock > 5 pcs
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Order Code: RTLX17159
5.0
Philips 40W P45 E14 2700K CL UE SRT4
LED Bulb - lamp cap E14, 230 V, luminous flux 485 lm, warm light (2700 K), lifespan 50000 h, energy label A, 1 piece in package
6.70 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHLS25047
5.0
Philips 40W B35 E14 2700K CL UE SRT4
LED Bulb - lamp cap E14, 230 V, luminous flux 485 lm, warm light (2700 K), lifespan 50000 h, energy label A, 1 piece in package
6.19 €
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In stock > 5 pcs
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Order Code: PHLS25046
4.8
Tesla LED bulb FILAMENT RETRO, E27, 4,2W, 230V, 470lm, 4000K daylight white
LED Bulb - lamp cap E27, power input 4,2 W, 230 V, luminous flux 470 lm, neutral light (4000 K), diameter of 6,1 cm, lifespan 25000 h, energy label E, 1 piece in package
Buy with code ALZADAYS15AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 15 % Rabatt mit dem Code ALZADAYS15AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 2.71 €
3.19 €
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In stock > 10 pcs
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Info
Order Code: TslLight23_021
4.0 17×
EMOS Smart LED bulb GoSmart MR16 GU10 4,8 W (35 W) 400 lm RGB dimmable Zigbee
LED Bulb - smart, lamp cap GU10 - lamp cap GU10, power input 4,8 W, 230 V, luminous flux 400 lm, adjustable light temperature (2700-6500 K), diameter of 5 cm, WiFi 2,4 GHz, compatible with Tuya, EMOS GoSmart, control via app in both Czech and English, lifespan 20000 h, energy label G, 1 piece in package
from  8.91 €
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: HM521b7
4.8 24×
Philips Hue White Ambiance 8W 1100 E27 Promo starter kit
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 8 W, 230 V, luminous flux 1100 lm, adjustable light temperature (2200-6500 K), diameter of 6 cm, Bluetooth, compatible with Apple Home, Philips Hue, control via app in both Czech and English, lifespan 25000 h, energy label F, 2 in package
103.90 €
Buy
In stock > 5 pcs
Order Code: PHL21017
4.8 414×
EMOS LED bulb A60 A CLASS E27 7,2 W 1521 lm warm white
LED Bulb - lamp cap E27, power input 7,2 W, 230 V, luminous flux 1521 lm, warm light (2700 K), diameter of 6 cm, lifespan 50000 h, energy label A, 1 piece in package
Amazing Deal from  5.31 €
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EMOS24_025
4.0 25×
MOES Matter Wi-Fi Bulb, RGB + WW, 6W, E14
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 3,7 cm, WiFi 2,4 GHz, compatible with Tuya, Samsung SmartThings, Manufacturer app, control via app in both Czech and English, lifespan 20000 h, energy label F, 1 piece in package
10.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Moes2405
4.8 212×
Tesla - LED bulb BULB, E27, 8W, 230V, 806lm, 25 000h, 3000K warm white, 220deg
LED Bulb - lamp cap E27, power input 8 W, 230 V, luminous flux 806 lm, warm light (3000 K), diameter of 6 cm, lifespan 25000 h, energy label F, 1 piece in package
Buy with code ALZADAYS15AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 15 % Rabatt mit dem Code ALZADAYS15AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 2.64 €
3.10 €
Buy
In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TslLigh22_46
4.0 42×
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
6.10 €
Buy
In stock 1 pcs
Order Code: NtBrD01
4.3 85×
EMOS Filament A70 E27 18 W (150 W) 2452 lm, warm white
LED Bulb - lamp cap E27, power input 18 W, 230 V, luminous flux 2452 lm, warm light (2700 K), diameter of 7 cm, lifespan 25000 h, energy label D, 1 piece in package
Amazing Deal from  6.03 €
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EMOS24199
4.3 19×
Nedis bulb, E14, T22, for oven, 15 W, 80 lm, incandescent
Oven Bulb - lamp cap E14, power input 15 W, 230 V, luminous flux 80 lm, lifespan 1000 hr(s), energy label G, 1 piece in package
2.29 €
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In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Nedis24017
4.8 212×
Tesla - LED bulb BULB E27, 12W, 230V, 1521lm, 25 000h, 3000K warm white 220st
LED Bulb - lamp cap E27, power input 12 W, 230 V, luminous flux 1521 lm, warm light (3000 K), diameter of 6 cm, lifespan 25000 h, energy label E, 1 piece in package
5.89 €
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TslLigh22_44
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
6.10 €
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TES24007
4.8 392×
AlzaPower LED 9-60W, E27, 2700K, set of 3
LED Bulb - lamp cap E27, power input 9 W, 230 V, luminous flux 820 lm, warm light (2700 K), diameter of 6 cm, lifespan 25000 h, energy label F, 3 in package - 1.90 €/ks
Buy with code ALZADAYS30AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 30 % Rabatt mit dem Code ALZADAYS30AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 3.98 €
5.69 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: APWLED-0001
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Light Bulbs & Fluorescent Lights

Light Bulbs & Fluorescent Lights

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