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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
 
906 Results
OSRAM SPC. T25/57, E14, 10W, 300 °C, clear - pack of 2 - Oven Bulb
4.0 4×
OSRAM SPC. T25/57, E14, 10W, 300 °C, clear - pack of 2
Oven Bulb - energy label G, power input 10 W, 230 V, Filament, luminous flux 30 lm, warm light (2700 K), diameter 2,5 cm, lifetime 1000 h, 2 pieces in the package
2.99 €
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In stock 1 pcs
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Order Code: osra25111
Tesla - LED bulb BULB E27, 8W, 230V, 806lm, 25 000h, 6500K cold white, 220deg - LED Bulb
10+ variants
4.8 212×
Tesla - LED bulb BULB E27, 8W, 230V, 806lm, 25 000h, 6500K cold white, 220deg
LED Bulb - lamp cap E27, power input 8 W, 230 V, luminous flux 806 lm, cool light, diameter of 6 cm, lifespan 25000 h, energy label F, 1 piece in package
3.29 €
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In stock 2 pcs
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Order Code: TslLight25011
iGET HOME BS2 Smart Bulb GU10 5,5W RGB+CCT - LED Bulb
2.0 1×
iGET HOME BS2 Smart Bulb GU10 5,5W RGB+CCT
LED Bulb - smart, lamp cap GU10 - lamp cap GU10, power input 5,5 W, 230 V, luminous flux 400 lm, adjustable light temperature (3000-6500 K), diameter of 5 cm, WiFi 2,4 GHz, compatible with Tuya, Smartlife, iGet Home, control via app in both Czech and English, lifespan 25000 h, energy label G, 1 piece in package
6.89 €
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In stock 5 pcs
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Order Code: iGET25002
Philips Hue White 10W 1100 E27 - LED Bulb
Philips Hue White 10W 1100 E27
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 10 W, 230 V, luminous flux 1055 lm, adjustable light temperature (2700-2700 K), Bluetooth, compatible with Apple Home, Google Home, Philips Hue, control via app in both Czech and English, lifespan 25000 h, energy label E, 1 piece in package
24.90 €
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In stock 1 pcs
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Order Code: PHLS25076
Philips LED 40W P45 E27 4000K CL UE SRT4 - LED Bulb
Philips LED 40W P45 E27 4000K CL UE SRT4
LED Bulb - lamp cap E27, power input 2,3 W, 230 V, luminous flux 485 lm, neutral light (4000 K), diameter of 4,5 cm, lifespan 50000 h, energy label A, 1 piece in package
7.49 €
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In stock > 5 pcs
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Order Code: PHLS25023
RETLUX RFL 603 Filament A60 E27 5.2W WW A - LED Bulb
RETLUX RFL 603 Filament A60 E27 5.2W WW A
LED Bulb , power input 5,2 W, 230 V, filament, luminous flux 1100 lm, warm light (3000 K), diameter of 6 cm, lifespan 25000 h, energy label A, 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. 4.58 €
5.39 €
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In stock 4 pcs
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Order Code: RTLX25017
OSRAM SPC. T26/57, E14, 25W, 300 °C, matt - Oven Bulb
3.0 4×
OSRAM SPC. T26/57, E14, 25W, 300 °C, matt
Oven Bulb - energy label G, power input 25 W, 230 V, Filament, luminous flux 140 lm, warm light (2700 K), diameter 2,6 cm, lifetime 1000 h
2.69 €
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In stock > 10 pcs
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Order Code: osra25116
Philips Hue LG Triangle - LED Bulb
Philips Hue LG Triangle
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 6,8 W, 230 V, luminous flux 500 lm (2000 K), Bluetooth, compatible with Apple Home, Google Home, Samsung SmartThings, Philips Hue, control via app in both Czech and English, lifespan 25000 h, energy label G, 1 piece in package
101.90 €
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In stock 2 pcs
Order Code: PHLS24_005
Meross Smart Wi-Fi LED Bulb RGBWW - pack of 4 - LED Bulb
Meross Smart Wi-Fi LED Bulb RGBWW - pack of 4
LED Bulb - smart, lamp cap E27, B22 and E26 - lamp cap E27, B22 and E26, power input 9 W, luminous flux 810 lm, adjustable light temperature (2700-6500 K), WiFi 2,4 GHz, compatible with Manufacturer app, control via app in both Czech and English, energy label F, 4 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. 41.23 €
58.90 €
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In stock > 5 pcs
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Order Code: Mer2514
Philips Smart LED WFB 40W ST64 E27 RGB - LED Bulb
Philips Smart LED WFB 40W ST64 E27 RGB
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 6,3 W, 230 V, filament, luminous flux 470 lm, adjustable light temperature (2200-6500 K), diameter of 6,4 cm, WiFi 2,4 GHz, compatible with Apple Siri shortcuts, Google Home, control via app in Czech, lifespan 15000 h, energy label G, 1 piece in package
New arrival 32.90 €
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In stock 2 pcs
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Info
Order Code: PHLS26003
Philips Hue Essential White and colour Ambiance 4,7W 345 GU10 Starter Kit - LED Bulb
1.0 1×
Philips Hue Essential White and colour Ambiance 4,7W 345 GU10 Starter Kit
LED Bulb - smart, lamp cap GU10 - lamp cap GU10, power input 4,7 W, 230 V, luminous flux 345 lm (2200 K), Bluetooth, compatible with Apple Home, Google Home, Philips Hue, control via app in both Czech and English, lifespan 15000 h, energy label F, 3 in package
107.90 €
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In stock > 5 pcs
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Order Code: PHLS25095
Philips Smart LED WFB 50W GU10 GLASS RGB, 2 pcs - LED Bulb
Philips Smart LED WFB 50W GU10 GLASS RGB, 2 pcs
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 2,4 GHz, compatible with Apple Siri shortcuts, Google Home, control via app in Czech, lifespan 15000 h, energy label F, 2 in package - 13.45 €/ks
New arrival 26.90 €
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In stock 1 pcs
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Order Code: PHLS26010
Philips LED 60W G95 E27 2700K CL UE SRT4 - LED Bulb
Philips LED 60W G95 E27 2700K CL UE SRT4
LED Bulb - lamp cap E27, power input 4 W, 230 V, luminous flux 840 lm, warm light (2700 K), diameter of 9,5 cm, lifespan 50000 h, energy label A, 1 piece in package
11.90 €
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In stock 3 pcs
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Order Code: PHLS25026
RETLUX RLL 468 G9 2W LED mini WW - LED Bulb
RETLUX RLL 468 G9 2W LED mini WW
LED Bulb - lamp cap G9, power input 2 W, 230 V, luminous flux 200 lm, warm light (3000 K), lifespan 15000 h, energy label F, 1 piece in package
2.49 €
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In stock > 10 pcs
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Order Code: RTLX24023
Tesla - LED bulb candle E27, 4,9W, 230V, 470lm, 25 000h, 3000K warm white, 180st - LED Bulb
Tesla - LED bulb candle E27, 4,9W, 230V, 470lm, 25 000h, 3000K warm white, 180st
LED Bulb - lamp cap E27, power input 4,9 W, 230 V, luminous flux 470 lm, warm light, diameter of 9,5 cm, lifespan 25000 h, energy label G, 1 piece in package
3.29 €
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In stock > 5 pcs
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Order Code: TslLight25018
Philips Smart LED WFB 40W G95 E27 RGB - LED Bulb
Philips Smart LED WFB 40W G95 E27 RGB
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 6,3 W, 230 V, filament, luminous flux 470 lm, adjustable light temperature (2200-6500 K), diameter of 9,5 cm, WiFi 2,4 GHz, compatible with Apple Siri shortcuts, Google Home, control via app in Czech, lifespan 15000 h, energy label G, 1 piece in package
New arrival 32.90 €
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In stock 5 pcs
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Info
Order Code: PHLS26005
RETLUX RSH 105 Wi-Fi smart glow. G9 CCT - LED Bulb
RETLUX RSH 105 Wi-Fi smart glow. G9 CCT
LED Bulb - smart, lamp cap GU10 - lamp cap GU10, power input 4 W, 230 V, luminous flux 500 lm, adjustable light temperature (3000-6500 K), diameter of 2,35 cm, WiFi 2,4 GHz and Bluetooth, compatible with Apple Siri shortcuts, Google Home, Tuya, Manufacturer app, control via app in both Czech and English, lifespan 15000 h, energy label F, 1 piece in package
12.90 €
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In stock 1 pcs
Order Code: RTLX24015
Wi-Fi BLE A60 E27 922-65 RGB CL 1PF/6 - LED Bulb
Wi-Fi BLE A60 E27 922-65 RGB CL 1PF/6
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 6,3 W, 230 V, luminous flux 470 lm (2200 K), diameter of 6 cm, WiFi 2,4 GHz, control via app in both Czech and English, lifespan 15000 h, energy label G, 1 piece in package
29.90 €
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In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: WiZ23015
EMOS Classic MR16, GU10, 7 W (60 W), 800 lm, warm white, dimmable - LED Bulb
2 variants
EMOS Classic MR16, GU10, 7 W (60 W), 800 lm, warm white, dimmable
LED Bulb - lamp cap GU10, power input 7 W, 230 V, luminous flux 800 lm, warm light (3000 K), diameter of 5 cm, lifespan 25000 h, energy label E, 1 piece in package
4.19 €
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In stock 1 pcs
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Order Code: EMOS25196
RETLUX RHL 220 G9 40W Oven WW - Oven Bulb
RETLUX RHL 220 G9 40W Oven WW
Oven Bulb - energy label G, power input 40 W, 230 V, luminous flux 460 lm, warm light (3000 K), colour Rendering Index (CRI) 80 Ra, diameter 1,3 cm, lifetime 2000 h
4.59 €
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In stock > 10 pcs
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Order Code: RTLX25016
Govee Smart WW 9W-60W 800lm E27 Long Life, Matter, 2 pcs - LED Bulb
1.0 1×
Govee Smart WW 9W-60W 800lm E27 Long Life, Matter, 2 pcs
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 5 cm, WiFi 2,4 GHz and Bluetooth, compatible with Apple Home, Apple Siri shortcuts, Samsung SmartThings, IFTTT, GOVEE Home, control via app in English, lifespan 15000 h, energy label F, 2 in package
16.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Govee26003
Philips Smart LED WFB 60W ST64 E27 - LED Bulb
Philips Smart LED WFB 60W ST64 E27
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 7 W, 230 V, filament, luminous flux 806 lm, adjustable light temperature (2700-6500 K), diameter of 6,4 cm, WiFi 2,4 GHz, compatible with Apple Siri shortcuts, Google Home, control via app in Czech, lifespan 15000 h, energy label E, 1 piece in package
New arrival 15.90 €
Buy
In stock 5 pcs
Order Code: PHLS26007
Philips Smart LED WFB 60W A60 E27 - LED Bulb
Philips Smart LED WFB 60W A60 E27
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 7 W, 230 V, filament, luminous flux 806 lm, adjustable light temperature (2700-6500 K), diameter of 6 cm, WiFi 2,4 GHz, compatible with Apple Siri shortcuts, Google Home, control via app in Czech, lifespan 15000 h, energy label E, 1 piece in package
New arrival 14.90 €
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In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHLS26006
IMMAX NEO LED Smart Filament E14 C37 4W CCT 470 lm dimmable, WiFi, Beacon - LED Bulb
1.0 1×
IMMAX NEO LED Smart Filament E14 C37 4W CCT 470 lm dimmable, WiFi, Beacon
LED Bulb - smart, lamp cap E14 - lamp cap E14, power input 4 W, 230 V, filament, luminous flux 470 lm, adjustable light temperature (2700-6500 K), diameter of 3,5 cm, WiFi 2,4 GHz, compatible with Apple Siri shortcuts, Tuya, Lidl Home, Smartlife, Nedis SmartLife, ETA SMART, Tesla Smart, Immax NEO PRO, control via app in both Czech and English, lifespan 416,67 h, energy label E, 1 piece in package
10.90 €
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In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: IMMX25102

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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