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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
EMOS Classic MR16, GU10, 7 W (60 W), 806 lm, neutral white, 3 pcs - LED Bulb
10+ variants
4.8 214×
EMOS Classic MR16, GU10, 7 W (60 W), 806 lm, neutral white, 3 pcs
LED Bulb - lamp cap GU10, power input 7 W, 230 V, luminous flux 806 lm, neutral light (4000 K), diameter of 5 cm, lifespan 30000 h, energy label E, 3 in package - 76 Kč/ks
229,-
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Order Code: EMOS24218
TP-Link Tapo L535E - LED Bulb
4.5 56×
TP-Link Tapo L535E
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 8,6 W, 230 V, luminous flux 1055 lm (2500 K), diameter of 6 cm, WiFi 2,4 GHz, compatible with Apple Home, Manufacturer app, control via app in both Czech and English, lifespan 25000 h, energy label E, 1 piece in package
Great price 579,- Save 20,-
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Order Code: TP24086
AlzaPower LED 12-85W, E27, 4000K, set of 3 - LED Bulb
4.9 318×
AlzaPower LED 12-85W, E27, 4000K, set of 3
LED Bulb - lamp cap E27, power input 12 W, 230 V, luminous flux 1160 lm, neutral light (4000 K), diameter of 6 cm, lifespan 25000 h, energy label F, 3 in package - 53 Kč/ks
Great price 159,-
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Order Code: APWLED-0005
OSRAM 20X1, G9, 40W, 66740 OVEN, 300 °C, clear - Oven Bulb
4.5 170×
OSRAM 20X1, G9, 40W, 66740 OVEN, 300 °C, clear
Oven Bulb - G9 socket
79,-
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Order Code: ZARpv11
AlzaPower LED 12-100W, E27, 2500K, Amber Filament, 1 pc - LED Bulb
4.4 22×
AlzaPower LED 12-100W, E27, 2500K, Amber Filament, 1 pc
LED Bulb - lamp cap E27, power input 12 W, 230 V, luminous flux 1521 lm (2500 K), diameter of 9,7 cm, lifespan 25000 h, energy label E, 1 piece in package
Buy with code ALZADNY30 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 30% s kódem ALZADNY30. 83,-
Great price 119,-
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Order Code: APWLED-0017
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
Amazing Deal from  71,- Save 10,-
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Order Code: EMS17117
Philips LED Classic spot 4.6-50W, GU10, 2700K, set 6ks - LED Bulb
4 variants
4.8 239×
Philips LED Classic spot 4.6-50W, GU10, 2700K, set 6ks
LED Bulb - lamp cap GU10, power input 4,6 W, 230 V, luminous flux 355 lm, warm light (2700 K), diameter of 5 cm, lifespan 15000 h, energy label F, 6 pc(s) in package - 83 Kč/pcs
499,-
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Order Code: ESO125b7
AlzaPower LED 4.2-30W, G9, 2700K, set of 2 - LED Bulb
4.6 85×
AlzaPower LED 4.2-30W, G9, 2700K, set of 2
LED Bulb - lamp cap G9, power input 4,2 W, 230 V, luminous flux 450 lm, warm light (2700 K), diameter of 1,6 cm, lifespan 25000 h, energy label F, 2 in package - 75 Kč/ks
Buy with code ALZADNY25 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 25% s kódem ALZADNY25. 112,-
Great price 149,-
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In stock > 10 pcs
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Order Code: APWLED-0015
Philips Hue White and colour Ambiance 9W 1100 E27 small promo starter kit + Philips Hue Tap Dial Swi - LED Bulb
5 colors
4.9 48×
Philips Hue White and colour Ambiance 9W 1100 E27 small promo starter kit + Philips Hue Tap Dial Swi
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 9 W, 230 V, luminous flux 1100 lm, adjustable light temperature, Bluetooth, compatible with Apple Home, Google Home, Samsung SmartThings, IFTTT, Philips Hue, lifespan 25000 h, energy label D, 4 in package
4,658,-
From 107,- per month
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In stock > 5 pcs
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Order Code: PHL21029set
EMOS Classic A95 / E27 / 28 W (200 W) / 3452 lm / neutral white - LED Bulb
2 variants
4.7 54×
EMOS Classic A95 / E27 / 28 W (200 W) / 3452 lm / neutral white
LED Bulb - lamp cap E27, power input 28 W, 230 V, luminous flux 3452 lm, neutral light (4000 K), diameter of 9,5 cm, lifespan 30000 h, energy label E, 1 piece in package
Amazing Deal 239,- Save 60,-
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Order Code: EMOS24152
EMOS Classic candle, E14, 4,2 W (40 W), 470 lm, warm white, 3 pcs - LED Bulb
9 variants
4.9 115×
EMOS Classic candle, E14, 4,2 W (40 W), 470 lm, warm white, 3 pcs
LED Bulb - lamp cap E14, power input 4,2 W, 230 V, luminous flux 470 lm, warm light (2700 K), diameter of 3,5 cm, lifespan 30000 h, energy label E, 3 in package - 33 Kč/ks
Amazing Deal 99,- Save 30,-
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Order Code: EMOS24109
EMOS Classic MR16, GU10, 7 W (60 W), 806 lm, warm white, 3 pcs - LED Bulb
10+ variants
4.8 214×
EMOS Classic MR16, GU10, 7 W (60 W), 806 lm, warm white, 3 pcs
LED Bulb - lamp cap GU10, power input 7 W, 230 V, luminous flux 806 lm, warm light (3000 K), diameter of 5 cm, lifespan 30000 h, energy label E, 3 in package - from 69 Kč/ks
from  206,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: EMOS24117
Philips Hue Essential White and colour Ambiance 8W 806 E27 - LED Bulb
4.6 23×
Philips Hue Essential White and colour Ambiance 8W 806 E27
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 8 W, 230 V, luminous flux 806 lm (2200 K), Bluetooth, compatible with Apple Home, Google Home, Philips Hue, control via app in both Czech and English, lifespan 25000 h, energy label F, 1 piece in package
649,-
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In stock > 5 pcs
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Order Code: PHLS25090
EMOS Filament A60 A CLASS / E27 / 5 W (75 W) / 1 060 lm / neutral white, 3 pcs - LED Bulb
10+ variants
4.8 416×
EMOS Filament A60 A CLASS / E27 / 5 W (75 W) / 1 060 lm / neutral white, 3 pcs
LED Bulb - lamp cap E27, power input 5 W, 230 V, luminous flux 1060 lm, neutral light (4000 K), diameter of 6 cm, lifespan 50000 h, energy label A, 3 in package - from 105 Kč/ks
from  314,-
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Order Code: HM521b19
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
Great price 579,- Save 20,-
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Order Code: TpLNk21t54
Philips Hue White and colour Ambiance 6W E14 set 2pcs - LED Bulb
2 variants
4.9 72×
Philips Hue White and colour Ambiance 6W E14 set 2pcs
LED Bulb - smart, lamp cap E14 - lamp cap E14, power input 6 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, 2 in package
2,759,-
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In stock > 5 pcs
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Order Code: ESO2557q4
AlzaPower LED 18-120W, E27, 2700K, set of 2 - LED Bulb
4.7 111×
AlzaPower LED 18-120W, E27, 2700K, set of 2
LED Bulb - lamp cap E27, power input 18 W, 230 V, luminous flux 1820 lm, warm light (2700 K), diameter of 7 cm, lifespan 25000 h, energy label F, 2 in package - 100 Kč/ks
Great price 199,-
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In stock > 10 pcs
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Order Code: APWLED-0007
AlzaPower LED 15-100W, E27, 2700K, set of 2 - LED Bulb
4.8 77×
AlzaPower LED 15-100W, E27, 2700K, set of 2
LED Bulb - lamp cap E27, power input 15 W, 230 V, luminous flux 1521 lm, warm light (2700 K), diameter of 6,5 cm, lifespan 25000 h, energy label F, 2 in package - 100 Kč/ks
Great price 199,-
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In stock > 10 pcs
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Order Code: APWLED-0006
IMMAX NEO LITE Smart bulb LED E27 11W colour and white, dimmable, WiFi - LED Bulb
4.4 136×
IMMAX NEO LITE Smart bulb LED E27 11W colour and white, dimmable, WiFi + prodloužená záruka o 1 rok ZDARMA
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 11 W, 230 V, luminous flux 1055 lm, adjustable light temperature (2700-6500 K), diameter of 6 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, 1 piece in package
199,-
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In stock > 10 pcs
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Order Code: IMMX_21_23
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
78,-
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Order Code: osra25106
RETLUX RSH 103 A60, E27, 7 WATT, CCT - LED Bulb
4.2 8×
RETLUX RSH 103 A60, E27, 7 WATT, CCT
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 7 W, 230 V, luminous flux 806 lm, adjustable light temperature (6500-2700 K), diameter of 6 cm, WiFi 2,4 GHz and Bluetooth, compatible with Apple Siri shortcuts, Google Home, Tuya, Lidl Home, Smartlife, Manufacturer app, control via app in both Czech and English, lifespan 15000 h, energy label E, 1 piece in package
299,-
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In stock 1 pcs
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Info
Order Code: RTLX24_004
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 ALZADNY30 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 30% s kódem ALZADNY30. 104,-
Great price 149,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: APWLED-0007c
Philips Hue White and colour Ambiance 9W 1100 E27 small promo starter kit - LED Bulb
5 colors
4.9 48×
Philips Hue White and colour Ambiance 9W 1100 E27 small promo starter kit
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 9 W, 230 V, luminous flux 1100 lm (2000 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, 2 in package
3,849,-
From 177,- per month
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In stock > 5 pcs
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Info
Order Code: PHL21029
Philips Hue White and colour Ambiance 9W 800 E27 4pcs - LED Bulb
2 variants
4.8 157×
Philips Hue White and colour Ambiance 9W 800 E27 4pcs
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 9 W, 230 V, luminous flux 800 lm, adjustable light temperature (2000-6500 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, 4 in package
5,119,-
From 118,- per month
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHL21025
 

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 1045 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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