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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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789 Results
5.0
Nedis Wi-Fi Smart LED Bulb E27 WIFILRT10A60
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 4,9 W, 230 V, luminous flux 360 lm, adjustable light temperature (1800-6500 K), diameter of 6 cm, WiFi 2,4 GHz, compatible with Tuya, Nedis SmartLife, control via app in both Czech and English, lifespan 10000 h, energy label G, 1 piece in package
7,090 Ft
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In stock 3 pcs
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Order Code: NDS22_01
5.0
OSRAM clear LED bulb E27 3.4W VINTAGE EDISON, warm white
LED Bulb - lamp cap E27, power input 3,4 W, luminous flux 470 lm, warm light (2700 K), diameter of 6,4 cm, lifespan 15000 h, energy label D, 1 piece in package
2,390 Ft
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In stock > 10 pcs
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Order Code: osra25030
4.0
EMOS DECO T30, E27, 2 W (11 W), 100 lm, flame
LED Bulb - lamp cap E27, power input 2 W, 230 V, filament, luminous flux 100 lm, warm light (1800 K), diameter of 3 cm, lifespan 25000 h, energy label G, 1 piece in package
5,190 Ft
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In stock 3 pcs
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Order Code: EMOS25181
5.0
Philips LED 40W A60 E27 4000K FR UE SRT4
LED Bulb , power input 2,3 W, 230 V, luminous flux 485 lm, neutral light (4000 K), diameter of 6 cm, lifespan 50000 h, energy label A, 1 piece in package
3,090 Ft
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In stock 3 pcs
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Order Code: PHLS25024
3.7
RETLUX RLL 461 G9 2W LED WW
LED Bulb - lamp cap G9, power input 2 W, 230 V, luminous flux 170 lm, warm light, diameter of 1,1 cm, lifespan 15000 h, energy label F, 1 piece in package
1,490 Ft
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In stock > 10 pcs
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Order Code: RTLX17125
4.2
EMOS Filament A60, E27, 11 W (100 W), 1521 lm, warm white, dimmable
LED Bulb - lamp cap E27, power input 11 W, 230 V, filament, luminous flux 1521 lm, warm light (2700 K), diameter of 6 cm, lifespan 25000 h, energy label D, 1 piece in package
2,120 Ft
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Order Code: EMOS25200
5.0
OSRAM SPC. T26/57, E14, 15W, 300 °C, clear - pack of 2
Oven Bulb - energy label G, power input 15 W, 230 V, Filament, luminous flux 85 lm, warm light (2700 K), diameter 2,6 cm, lifetime 1000 h, 2 pieces in the package
1,690 Ft
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In stock 4 pcs
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Order Code: osra25113
4.7 27×
Tesla Filament A class, E27, 2W, 420lm, 4000K daylight white, 360deg, clear, 230V, 25 000h
LED Bulb - lamp cap E27, power input 2 W, 230 V, luminous flux 470 lm, neutral light (4000 K), diameter of 10,5 cm, lifespan 25000 h, energy label A, 1 piece in package
2,490 Ft
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In stock 2 pcs
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Order Code: TES24005
4.2
RETLUX RSH 101, GU10, 4.5 WATT, RGB, CCT
LED Bulb - smart, lamp cap GU10 - lamp cap GU10, power input 4,5 W, 230 V, luminous flux 326 lm, adjustable light temperature (6500-2700 K), diameter of 5 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 F, 1 piece in package
4,990 Ft
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In stock 1 pcs
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Order Code: RTLX24_002
4.6 16×
RETLUX REL 31 LED A60 2x12W E27 WW
LED Bulb - lamp cap E27, power input 12 W, 230 V, luminous flux 1200 lm, warm light, diameter of 6 cm, lifespan 25000 h, energy label F, 2 in package
1,690 Ft
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In stock > 5 pcs
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Order Code: RTLX17133
4.5
Philips LED 4-60W, E27, 4000K, milky, A
LED Bulb , power input 4 W, 220 V, luminous flux 840 lm, neutral light (4000 K), diameter of 6 cm, lifespan 50000 h, energy label A, 1 piece in package
6,890 Ft
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In stock 4 pcs
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Order Code: PHL22055
5.0
SMD LED Capsule 5W/G9/230V/3000K/400Lm/360°/Dim
LED Bulb - lamp cap G9, power input 5 W, 230 V, luminous flux 400 lm, warm light (3000 K), diameter of 1,6 cm, lifespan 30000 h, 1 piece in package
2,270 Ft
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In stock > 10 pcs
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Order Code: PEVzar139
3.7
Nedis smart LED bulb WIFILRT10G125
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 4,9 W, 230 V, luminous flux 360 lm, adjustable light temperature (1800-6500 K), diameter of 12,5 cm, WiFi 2,4 GHz, compatible with Tuya, Nedis SmartLife, control via app in both Czech and English, lifespan 10000 h, energy label G, 1 piece in package
Discounted -10 % 7,590 Ft 8,490 Ft
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In stock 2 pcs
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Order Code: Nedis22_12
4.4 26×
Niceboy SmartBulb AMBIENT E27
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 Niceboy ION, control via app in Czech, lifespan 25000 h, energy label F, 1 piece in package
4,090 Ft
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In stock 1 pcs
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Order Code: NCB21_03
4.9 154×
EMOS Classic Mini Globe, E27, 4.2 W (40 W), 470 lm, warm white
LED Bulb - lamp cap E27, power input 4,2 W, 230 V, luminous flux 470 lm, warm light (2700 K), diameter of 4,5 cm, lifespan 30000 h, energy label E, 1 piece in package
from  980 Ft
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In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: EMOS24083
4.5 48×
RETLUX RLL 428 C37 E14 candle 6W DL
LED Bulb - lamp cap E14, power input 6 W, 230 V, luminous flux 510 lm, cool light (6500 K), diameter of 3,7 cm, lifespan 25000 h, energy label F, 1 piece in package
1,190 Ft
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In stock > 10 pcs
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Order Code: RTLX22_057
5.0
Philips LED 40W A60 E27 2700K CL UE SRT4
LED Bulb , power input 2,3 W, 230 V, luminous flux 485 lm, warm light (2700 K), diameter of 6 cm, lifespan 50000 h, energy label A, 1 piece in package
3,090 Ft
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In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHLS25019
4.8 17×
RETLUX RLL 643 G45 E27 miniG 8W DL D
LED Bulb - lamp cap E27, power input 8 W, 230 V, luminous flux 1080 lm, cool light (6500 K), lifespan 25000 h, energy label D, 1 piece in package
1,490 Ft
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RTLX24060
3.5
Philips 50W GU10 CW 36D ND UE SRT4
LED Bulb - lamp cap GU10, power input 2,4 W, 230 V, luminous flux 400 lm, neutral light (4000 K), diameter of 5 cm, lifespan 50000 h, energy label A, 1 piece in package
6,790 Ft
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In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHLS25039
4.1
RETLUX RLL 644 G95 E27 bigG 15W WW
LED Bulb - lamp cap E27, power input 15 W, 230 V, luminous flux 2025 lm, warm light (3000 K), lifespan 25000 h, energy label D, 1 piece in package
2,890 Ft
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In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RTLX24073
4.4 16×
RETLUX RLL 448 GU10 bulb 3step DIMM 6W CW
LED Bulb , power input 6 W, 230 V, luminous flux 510 lm, neutral light (4000 K), diameter of 5 cm, lifespan 25000 h, energy label F, 1 piece in package
1,690 Ft
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In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RTLX17157
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  980 Ft
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In stock > 5 pcs
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Info
Order Code: EMOS24078
4.6
RETLUX REL 37 LED GU10 4x5W
LED Bulb - lamp cap GU10, power input 5 W, 230 V, luminous flux 425 lm, warm light, diameter of 5 cm, lifespan 25000 h, energy label F, 4 in package
2,490 Ft
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In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RTLX17137
4.8 218×
Tesla BULB, E27, 6W, 230V, 640lm, 25,000h, 4000K neutral white, 220deg
LED Bulb , power input 6 W, 230 V, luminous flux 640 lm, neutral light (4000 K), diameter of 6 cm, lifespan 25000 h, energy label F, 1 piece in package
1,190 Ft
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TslLight25013
In the category Light Bulbs & Fluorescent Lights on Alza.hu, we currently have a total of 802 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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