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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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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
 
849 Results
OSRAM SPC.T26/57, E14, 15W, 300 °C, clear - Oven Bulb
4.7 81×
OSRAM SPC.T26/57, E14, 15W, 300 °C, clear
Oven Bulb - special, suitable for refrigerators, 230V, 1 bulb
49,-
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In stock > 50 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: EAO2226
EMOS Classic MR16 white, GU10, 3 W (32 W), 345 lm, warm white - LED Bulb
10 variants
4.8 215×
EMOS Classic MR16 white, GU10, 3 W (32 W), 345 lm, warm white
LED Bulb - lamp cap GU10, power input 3 W, 230 V, luminous flux 345 lm, warm light (3000 K), diameter of 5 cm, lifespan 30000 h, energy label E, 1 piece in package
52,-
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In stock > 50 pcs
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Order Code: EMOS24210
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
Nedis LED bulb, E14, candle, 4,5 W, 470 lm, 2700 K, retro - LED Bulb
4.9 13×
Nedis LED bulb, E14, candle, 4,5 W, 470 lm, 2700 K, retro
LED Bulb - lamp cap E14, power input 4,5 W, 230 V, luminous flux 470 lm, lifespan 15000 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. 62,-
89,-
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In stock > 20 pcs
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Order Code: Nedis24039
Niceboy SmartBulb RGB E27, 12 W, set of 3 - LED Bulb
4.4 6×
Niceboy SmartBulb RGB E27, 12 W, set of 3
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 12 W, 230 V, luminous flux 1050 lm, adjustable light temperature (2700-6500 K), diameter of 6 cm, WiFi 2,4 GHz, compatible with Niceboy ION, control via app in both Czech and English, lifespan 25000 h, energy label F, 3 in package
Buy with code ALZADNY20 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky. 639,-
799,-
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In stock 2 pcs
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Info
Order Code: NCB24_003
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
Tesla - LED bulb BULB, E27, 8W, 230V, 806lm, 25 000h, 3000K warm white, 220deg - LED Bulb
10+ variants
4.8 213×
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 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. 67,-
79,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TslLigh22_46
OSRAM SPC.T26/57, E14, 25W, 300 °C, clear - Oven Bulb
4.9 26×
OSRAM SPC.T26/57, E14, 25W, 300 °C, clear
Oven Bulb - E14 socket
49,-
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In stock > 50 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EDd21sy3
McLED T8 LED tube 8 W, 4000 K, CRI80, 1200 lm 150 lm/W, 600 mm - LED Lamp
5.0 1×
McLED T8 LED tube 8 W, 4000 K, CRI80, 1200 lm 150 lm/W, 600 mm
LED Lamp - G13 socket, energy label D, power consumption 8 W, 230 V, luminous flux 1200 lm, neutral light (4000 K), colour Rendering Index (CRI) 80 Ra, diameter 2,9 cm, lifetime 50000 h
399,-
Buy
In stock > 10 pcs at the supplier's
Order Code: MCLled007
EMOS Classic candle, E14, 2,5 W (32 W), 350 lm, warm white - LED Bulb
3 variants
4.9 115×
EMOS Classic candle, E14, 2,5 W (32 W), 350 lm, warm white
LED Bulb - lamp cap E14, power input 2,5 W, 230 V, luminous flux 350 lm, warm light (2700 K), diameter of 3,5 cm, lifespan 30000 h, energy label D, 1 piece in package
from  47,-
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In stock > 50 pcs
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Info
Order Code: EMOS24078
Philips Hue White 9.5W 1100 E27 small starter kit - LED Bulb
2 colors
4.9 22×
Philips Hue White 9.5W 1100 E27 small starter kit
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 9,5 W, 230 V, luminous flux 1055 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, 2 in package
2,049,-
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In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHL21009
Philips Hue White and colour Ambiance 8,1W 1100 E27 - LED Bulb
3.0 1×
Philips Hue White and colour Ambiance 8,1W 1100 E27
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 8,1 W, 230 V, luminous flux 1100 lm (1000 K), Bluetooth, compatible with Apple Home, Google Home, Philips Hue, control via app in both Czech and English, lifespan 25000 h, energy label D, 1 piece in package
1,669,-
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In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHLS25086
TP-Link Tapo L430C Smart E14 (4-pack) - LED Bulb
3 sizes
4.7 29×
TP-Link Tapo L430C Smart E14 (4-pack)
LED Bulb - smart, lamp cap E14 - lamp cap E14, power input 4,8 W, luminous flux 470 lm (2500 K), diameter of 3,8 cm, WiFi 2,4 GHz, compatible with Manufacturer app, control via app in both Czech and English, lifespan 25000 h, energy label F, 4 in package
1,349,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TP25040
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
679,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqara25008
IMMAX NEO LITE Set 3x smart LED bulb GU10 4,8W RGB+CCT, dimmable, WiFi, Beacon, DO - LED Bulb
4.8 8×
IMMAX NEO LITE Set 3x smart LED bulb GU10 4,8W RGB+CCT, dimmable, WiFi, Beacon, DO + prodloužená záruka o 1 rok ZDARMA
LED Bulb - smart, lamp cap GU10 - lamp cap GU10, power input 4,8 W, 230 V, luminous flux 350 lm, adjustable light temperature (2700-6500 K), diameter of 5 cm, WiFi 2,4 GHz, compatible with Apple Siri shortcuts, Google Home, Tuya, Lidl Home, Smartlife, Nedis SmartLife, Manufacturer app, control via app in both Czech and English, lifespan 25000 h, energy label G, 3 in package - from 189 Kč/ks
from  566,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: IMMX24065
Nedis LED bulb, E14, T26, for refrigerator, 2 W, 150 lm - LED Bulb
4.9 27×
Nedis LED bulb, E14, T26, for refrigerator, 2 W, 150 lm
LED Bulb - lamp cap E14, power input 2 W, 230 V, luminous flux 150 lm, lifespan 15000 h, energy label G, 1 piece in package
69,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Nedis24019
Meross Smart Wi-Fi LED Bulb Apple HomeKit - LED Bulb
3.8 12×
Meross Smart Wi-Fi LED Bulb Apple HomeKit
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 9 W, luminous flux 810 lm (2700 K), WiFi 2,4 GHz, compatible with Apple Home, Samsung SmartThings, IFTTT, Manufacturer app, energy label F, 1 piece in package
399,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: mer21s21
TESLA LED Bulb Mini-globe BULB E14, 8W, Warm White - LED Bulb
4 variants
4.8 110×
TESLA LED Bulb Mini-globe BULB E14, 8W, Warm White
LED Bulb - lamp cap E14, power input 8 W, 230 V, luminous flux 900 lm, warm light (3000 K), diameter of 6 cm, lifespan 25000 h, energy label E, 1 piece in package
89,-
Buy
In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TSL19011
Philips Hue White Ambiance 8,1W 1100 E27 - LED Bulb
5.0 1×
Philips Hue White Ambiance 8,1W 1100 E27
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 8,1 W, 230 V, luminous flux 1100 lm (1000 K), Bluetooth, compatible with Apple Home, Google Home, Philips Hue, control via app in both Czech and English, lifespan 25000 h, energy label D, 1 piece in package
1,029,-
Buy
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHLS25081
RETLUX RLL 613 GU10 bulb 5W WW D - LED Bulb
6 variants
4.1 73×
RETLUX RLL 613 GU10 bulb 5W WW D
LED Bulb - lamp cap GU10, power input 5 W, 230 V, luminous flux 675 lm, warm light (3000 K), lifespan 25000 h, energy label D, 1 piece in package
69,-
Buy
In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RTLX24044
MOES Smart Wi-Fi Bulb, GU-10, RGB, 5W - LED Bulb
2 sizes
4.8 8×
MOES Smart Wi-Fi Bulb, GU-10, RGB, 5W
LED Bulb - smart, lamp cap GU10 - lamp cap GU10, power input 4,7 W, 230 V, luminous flux 400 lm, adjustable light temperature (2200-6500 K), diameter of 5 cm, WiFi 5 GHz, compatible with Tuya, lifespan 15000 h, energy label F, 1 piece in package
249,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Moes22_18
Philips LED 2,3-40W, E14, 3000K, A - LED Bulb
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
309,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHL22058
Niceboy SmartBulb AMBIENT E14 - LED Bulb
2 sizes
4.0 12×
Niceboy SmartBulb AMBIENT E14
LED Bulb - smart, lamp cap E14 - lamp cap E14, power input 5,5 W, 230 V, luminous flux 470 lm, adjustable light temperature (2700-6500 K), diameter of 3,6 cm, WiFi 2,4 GHz, compatible with Niceboy ION, control via app in Czech, lifespan 25000 h, energy label F, 1 piece in package
Buy with code ALZADNY20 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky. 183,-
229,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: NCB21_01
Philips LED 60W A60 E27 2700K FR UE SRT4 - LED Bulb
4.6 10×
Philips LED 60W A60 E27 2700K FR UE SRT4
LED Bulb - lamp cap E27, power input 4 W, 230 V, luminous flux 840 lm, warm light (2700 K), diameter of 6 cm, lifespan 50000 h, energy label A, 1 piece in package
179,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHLS25029
 

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 942 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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