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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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907 Results
Philips Hue White and colour Ambiance 4W E14 - LED Bulb
2 variants
4.9 72×
Philips Hue White and colour Ambiance 4W E14
LED Bulb - smart, lamp cap E14 - lamp cap E14, power input 4 W, 230 V, luminous flux 470 lm (2000 K), diameter of 3,9 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
66.90 €
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In stock 5 pcs
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Order Code: ESO2557q3
AlzaPower LED 8-75W, E27, 2500K, Amber Filament, set of 2 - LED Bulb
4.9 26×
AlzaPower LED 8-75W, E27, 2500K, Amber Filament, set of 2
LED Bulb - lamp cap E27, power input 8 W, 230 V, luminous flux 1055 lm (2500 K), diameter of 6 cm, lifespan 25000 h, energy label E, 2 in package - 2.85 €/ks
Buy with code ALZADNI30 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 30 % s kódom ALZADNI30. Kliknite a kód sa uplatní automaticky. 3.98 €
Great price 5.69 €
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Order Code: APWLED-0016
EMOS Smart LED bulb GoSmart MR16 GU10 4,8 W (35 W) 400 lm RGB dimmable Zigbee - LED Bulb
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
Great price from  9 € Save 0.91 €
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Order Code: HM521b7
EMOS LED bulb Classic JC 1,9W G9 warm white - LED Bulb
7 variants
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  2.87 €
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Order Code: EMS17117
Philips Hue White Ambiance 7W 550 Filament E27 - LED Bulb
5.0 23×
Philips Hue White Ambiance 7W 550 Filament E27
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 7 W, 230 V, filament, luminous flux 550 lm, adjustable light temperature (2200-4500 K), diameter of 6 cm, Bluetooth, compatible with Apple Home, Philips Hue, control via app in both Czech and English, lifespan 15000 h, energy label G, 1 piece in package
36.90 €
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In stock > 5 pcs
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Order Code: PHL21020
IMMAX NEO LITE E14 6W RGB+CCT, colour and white WiFi - pack of 3 - LED Bulb
4.3 51×
IMMAX NEO LITE E14 6W RGB+CCT, colour and white WiFi - pack of 3
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 and Bluetooth, 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 6.57 €/pcs
from  19.71 €
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Order Code: IMXX21368
LED Spotlight, 7W, GU10, 4000K, 560lm, White - LED Bulb
4.8 47×
LED Spotlight, 7W, GU10, 4000K, 560lm, White
LED Bulb - lamp cap GU10, power input 7 W, neutral light (4000 K), diameter of 5 cm, energy label F, 1 piece in package
2.49 €
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In stock > 50 pcs
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Order Code: SD2021_126
OSRAM 20X1, G9, 25W, 66725 OVEN, 300 °C, clear - Oven Bulb
4.7 55×
OSRAM 20X1, G9, 25W, 66725 OVEN, 300 °C, clear
Oven Bulb - G9 socket
2.49 €
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In stock > 50 pcs
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Order Code: EDd21sy1
AlzaPower LED 18-115W, E27, G120, 2700K, 1 pc - LED Bulb
4.7 39×
AlzaPower LED 18-115W, E27, G120, 2700K, 1 pc
LED Bulb - lamp cap E27, power input 18 W, 230 V, luminous flux 1820 lm, warm light (2700 K), diameter of 12 cm, lifespan 25000 h, energy label F, 1 piece in package
Buy with code ALZADNI30 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 30 % s kódom ALZADNI30. Kliknite a kód sa uplatní automaticky. 4.19 €
Great price 5.99 €
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In stock > 5 pcs
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Order Code: APWLED-0007c
Yeelight Smart LED Bulb W4 Lite(Multicolour) - 1 pack - LED Bulb
2 sizes
3.9 52×
Yeelight Smart LED Bulb W4 Lite(Multicolour) - 1 pack
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 9 W, 230 V, luminous flux 806 lm, adjustable light temperature (2700-6500 K), diameter of 6 cm, WiFi 2,4 GHz, compatible with Apple Home, Google Home, Samsung SmartThings, control via app in English, lifespan 25000 h, energy label F, 1 piece in package
Buy with code ALZADNI25 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 25% s kódom ALZADNI25. Kliknite a kód sa uplatní automaticky. 11.18 €
14.90 €
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In stock > 10 pcs
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Order Code: YeeLa56
IMMAX NEO LITE GU10 6W RGB+CCT, colour and white WiFi - pack of 3 - LED Bulb
3.9 25×
IMMAX NEO LITE GU10 6W RGB+CCT, colour and white WiFi - pack of 3
LED Bulb - smart, lamp cap GU10 - lamp cap GU10, power input 5,5 W, 230 V, luminous flux 400 lm, adjustable light temperature (2700-6500 K), diameter of 5 cm, WiFi 2,4 GHz and Bluetooth, compatible with Apple Siri shortcuts, Tuya, Lidl Home, Immax NEO PRO, control via app in both Czech and English, lifespan 25000 h, energy label G, 3 in package - 7.30 €/pcs
21.90 €
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In stock > 10 pcs
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Order Code: IMXX21370
Philips LED Classic drop 2.2-25W, E27, Matt, 2700K - LED Bulb
4.7 54×
Philips LED Classic drop 2.2-25W, E27, Matt, 2700K
LED Bulb - lamp cap E27, power input 2,2 W, 230 V, luminous flux 250 lm, warm light (2700 K), diameter of 4,5 cm, lifespan 15000 h, energy label E, 1 piece in package
8.99 €
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Order Code: ESO1A033
OSRAM 20X1, G4, 20W, 64428 OVEN, 450 °C, clear - Oven Bulb
5.0 17×
OSRAM 20X1, G4, 20W, 64428 OVEN, 450 °C, clear
Oven Bulb - energy label G, power consumption 20 W, 12 V, luminous flux 300 lm, warm light (2900 K), diameter 0,8 cm, lifetime 2000 h
3.49 €
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Order Code: osra25106
EMOS Classic A80, E27, 20 W (150 W), 2452 lm, neutral white - LED Bulb
3 variants
4.8 50×
EMOS Classic A80, E27, 20 W (150 W), 2452 lm, neutral white
LED Bulb - lamp cap E27, power input 20 W, 230 V, luminous flux 2452 lm, neutral light (4000 K), diameter of 8 cm, lifespan 30000 h, energy label E, 1 piece in package
Amazing Deal 5.79 € Save 1.11 €
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Order Code: EMOS24104
Philips LED Classic 7-60W, E27, 2700K, matt - LED Bulb
2 variants
4.5 59×
Philips LED Classic 7-60W, E27, 2700K, matt
LED Bulb - lamp cap E27, power input 7 W, 230 V, luminous flux 806 lm, warm light (2700 K), diameter of 6 cm, lifespan 15000 h, energy label E, 1 piece in package
from  5.24 €
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In stock > 10 pcs
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Order Code: ESO105g2
Philips Hue White 9.5W 1100 E27 starter kit - LED Bulb
2 colors
4.9 22×
Philips Hue White 9.5W 1100 E27 starter kit
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 9,5 W, 230 V, luminous flux 1100 lm, warm light (2700 K), diameter of 6,1 cm, Bluetooth, compatible with Apple Home, Philips Hue, control via app in both Czech and English, lifespan 25000 h, energy label F, 3 in package
101.90 €
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In stock > 5 pcs
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Order Code: PHL21010
TP-Link Tapo L530E, Smart WiFi bulb full colour (pack of 2) - LED Bulb
4.5 52×
TP-Link Tapo L530E, Smart WiFi bulb full colour (pack of 2)
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 8,7 W, 230 V, luminous flux 806 lm, diameter of 6 cm, WiFi 2,4 GHz, compatible with Manufacturer app, energy label F, 2 in package
24.90 €
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In stock > 10 pcs
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Order Code: TpLNk21t54
EMOS Smart LED bulb GoSmart candle E14 4,8 W (40 W) 470 lm RGB dimmable Wi-Fi - LED Bulb
3.8 46×
EMOS Smart LED bulb GoSmart candle E14 4,8 W (40 W) 470 lm RGB dimmable Wi-Fi
LED Bulb - smart, lamp cap E14 - lamp cap E14, power input 4,8 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, Lidl Home, EMOS GoSmart, control via app in both Czech and English, lifespan 20000 h, energy label F, 1 piece in package
Great price from  6.83 €
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In stock > 10 pcs
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Order Code: HM521b6
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
2.49 €
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In stock > 50 pcs
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Order Code: Solight24055
Tesla LED bulb GU5,3 MR16, 6W, 12V, 540lm, 4000K daylight white - LED Bulb
2 variants
4.8 84×
Tesla LED bulb GU5,3 MR16, 6W, 12V, 540lm, 4000K daylight white
LED Bulb - lamp cap GU5,3, power input 6 W, 12 V, luminous flux 540 lm, neutral light (4000 K), diameter of 5 cm, lifespan 25000 h, energy label G, 1 piece in package
4.19 €
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In stock > 20 pcs
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Order Code: TslLight23_022
RETLUX RLL 417 GU10 bulb 9W WW - LED Bulb
6 variants
4.1 73×
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 ALZADNI15 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 15 % s kódom ALZADNI15. Kliknite a kód sa uplatní automaticky. 3.56 €
4.19 €
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In stock > 20 pcs
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Info
Order Code: RTLX22_052
EMOS LED Bulb Classic MR16 4.5W GU5.3 Neutral White - LED Bulb
4.6 61×
EMOS LED Bulb Classic MR16 4.5W GU5.3 Neutral White
LED Bulb - lamp cap GU5,3, power input 4,5 W, 12 V, luminous flux 380 lm, neutral light (4000 K), diameter of 5 cm, lifespan 30000 h, energy label F, 1 piece in package
4.19 €
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In stock > 20 pcs
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Info
Order Code: EMSD202072
EMOS Filament A60 A CLASS / E27 / 3,8 W (60 W) / 806 lm / neutral white, 3 pcs - LED Bulb
10+ variants
4.8 416×
EMOS Filament A60 A CLASS / E27 / 3,8 W (60 W) / 806 lm / neutral white, 3 pcs
LED Bulb - lamp cap E27, power input 3,8 W, 230 V, luminous flux 806 lm, neutral light (4000 K), diameter of 6 cm, lifespan 50000 h, energy label A, 3 in package - from 3.87 €/ks
from  11.62 €
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: HM521b17
EMOS Smart LED bulb GoSmart A60 E27 11 W (75 W) 1 050 lm RGB dimmable Wi-Fi - LED Bulb
2 variants
4.2 132×
EMOS Smart LED bulb GoSmart A60 E27 11 W (75 W) 1 050 lm RGB dimmable Wi-Fi
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, EMOS GoSmart, control via app in both Czech and English, lifespan 20000 h, energy label F, 1 piece in package
from  7.20 €
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: HM521b3

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.sk, we currently have a total of 945 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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