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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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922 Results
EMOS LED bulb Classic JC 1,9W G9 warm white - LED Bulb
7 variants
4.7 234×
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
AlzaPower LED 6-40W, GU10, 2700K, set of 2 - LED Bulb
2 variants
4.4 207×
AlzaPower LED 6-40W, GU10, 2700K, set of 2
LED Bulb - lamp cap GU10, power input 8 W, 230 V, luminous flux 720 lm, warm light (2700 K), diameter of 5 cm, lifespan 25000 h, energy label F, 2 in package - 50 Kč/ks
Great price 99,-
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Order Code: APWLED-0010
Govee Smart RGBWW 9 W-60 W, 800 lm, E27, Long Life - LED Bulb
4.8 26×
Govee Smart RGBWW 9 W-60 W, 800 lm, E27, Long Life
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 9 W, 230 V, luminous flux 800 lm, adjustable light temperature (2700-6500 K), diameter of 6 cm, WiFi 2,4 GHz and Bluetooth, compatible with Apple Siri shortcuts, Google Home, GOVEE Home, control via app in English, lifespan 25000 h, energy label F, 1 piece in package
299,-
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Order Code: Govee24018
Philips Hue White and colour ambiance 4.3W GU10 set 2pcs - LED Bulb
2 variants
4.7 48×
Philips Hue White and colour ambiance 4.3W GU10 set 2pcs
LED Bulb - smart, lamp cap GU10 - lamp cap GU10, power input 4,3 W, 230 V, luminous flux 350 lm, adjustable light temperature (2000-6500 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
2,314,-
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Order Code: PHL19063
AlzaPower LED 9-60W, E27, 2700K, set of 3 - LED Bulb
4.8 390×
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 - 46 Kč/ks
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. 97,-
Great price 139,-
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Order Code: APWLED-0001
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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Order Code: PHL21029set
IMMAX NEO LITE Smart bulb LED E27 11W colour and white, dimmable, WiFi - LED Bulb
4.5 134×
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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Order Code: IMMX_21_23
AQARA LED Bulb T2 E27, RGB CCT (LB-L02D) - LED Bulb
5.0 13×
AQARA LED Bulb T2 E27, RGB CCT (LB-L02D)
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 10,5 W, 230 V, luminous flux 1100 lm, adjustable light temperature (2000-9000 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
629,-
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Order Code: Aqara25006
Philips Hue White Ambiance 8W 1100 E27 starter kit - LED Bulb
2 colors
4.8 24×
Philips Hue White Ambiance 8W 1100 E27 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, 3 in package
3,329,-
From 153,- per month
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Order Code: PHL21016
EMOS Filament candle A CLASS, E14, 3,8 W (60 W), 806 lm, neutral white - LED Bulb
6 variants
4.9 73×
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  107,-
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Order Code: EMOS24225
Beurer INFRA 150W - Infrared Light Bulb
4.8 32×
Beurer INFRA 150W
Infrared Light Bulb - E27 socket
Amazing Deal 599,- Save 165,-
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In stock > 10 pcs
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Order Code: BEU0051t
AlzaPower LED 8-75W, E27, 2500K, Amber Filament, set of 2 - LED Bulb
4.9 25×
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 - 70 Kč/ks
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. 97,-
Great price 139,-
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In stock > 10 pcs
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Order Code: APWLED-0016
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
EMOS Classic A95 / E27 / 28 W (200 W) / 3452 lm / neutral white - LED Bulb
2 variants
4.8 53×
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
299,-
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In stock > 10 pcs
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Order Code: EMOS24152
RETLUX REL 33 LED A60 4x12W E27 WW - LED Bulb
4.6 34×
RETLUX REL 33 LED A60 4x12W E27 WW
LED Bulb - lamp cap E27, power input 12 W, 230 V, luminous flux 1200 lm, warm light (3000 K), diameter of 6 cm, lifespan 25000 h, energy label F, 4 in package
169,-
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In stock > 10 pcs
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Order Code: RTLX22_039
Philips Hue White Ambiance 4.3W GU10 set 2pcs - LED Bulb
3 variants
4.8 69×
Philips Hue White Ambiance 4.3W GU10 set 2pcs
LED Bulb - smart, lamp cap GU10 - lamp cap GU10, power input 4,3 W, 230 V, luminous flux 350 lm, adjustable light temperature (2200-6500 K), diameter of 5 cm, Bluetooth, compatible with Apple Home, Philips Hue, control via app in both Czech and English, lifespan 25000 h, energy label E, 2 in package
1,289,-
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In stock > 5 pcs
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Order Code: PHL19062
EMOS Filament A70 E27 18 W (150 W) 2452 lm, warm white - LED Bulb
2 variants
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
from  179,-
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In stock > 10 pcs
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Order Code: EMOS24199
IMMAX NEO LITE SMART LED bulb E14 6W colour and white WiFi - LED Bulb
4.5 105×
IMMAX NEO LITE SMART LED bulb E14 6W colour and white WiFi + 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 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, 1 piece in package
from  170,-
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Order Code: IMXX19279
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
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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Order Code: APWLED-0007
EMOS Classic MR16, GU10, 7 W (60 W), 806 lm, warm white, 3 pcs - LED Bulb
10+ variants
4.8 211×
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
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Order Code: EMOS24117
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
909,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: PHL21020
AlzaPower LED 8-50W, E14, P45, 2700K, set of 2 - LED Bulb
4.7 92×
AlzaPower LED 8-50W, E14, P45, 2700K, set of 2
LED Bulb - lamp cap E14, power input 8 W, 230 V, luminous flux 720 lm, warm light (2700 K), diameter of 4,5 cm, lifespan 25000 h, energy label F, 2 in package - 55 Kč/ks
Great price 109,-
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In stock > 20 pcs
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Order Code: APWLED-0011
Philips Hue White Filament 7W E27 A60 - LED Bulb
4.6 51×
Philips Hue White Filament 7W E27 A60
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 7 W, 230 V, luminous flux 550 lm, warm light (2100 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
579,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHL19024
 

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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In the category Light Bulbs & Fluorescent Lights on Alza.cz, we currently have a total of 1017 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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