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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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860 Results
Philips Hue LG ST72 - LED Bulb
5.0 3×
Philips Hue LG ST72
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
2,049,-
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In stock 3 pcs
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Order Code: PHLS24_007
EMOS Classic A60, E27, 7 W (60 W), 806 lm, neutral white, 3 pcs - LED Bulb
10+ variants
4.8 178×
EMOS Classic A60, E27, 7 W (60 W), 806 lm, neutral white, 3 pcs
LED Bulb - lamp cap E27, power input 7 W, 230 V, luminous flux 806 lm, neutral light (4000 K), diameter of 6 cm, lifespan 30000 h, energy label E, 3 in package - from 45 Kč/ks
from  134,-
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Order Code: EMOS24118
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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Order Code: RTLX24_004
RETLUX RLL 445 E27 bulb 30W WW - LED Bulb
5.0 12×
RETLUX RLL 445 E27 bulb 30W WW
LED Bulb - lamp cap E27, power input 30 W, 230 V, luminous flux 3200 lm, warm light, 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
OSRAM SPC.T26/57, E14, 15W, 300 °C, clear - Oven Bulb
4.8 82×
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
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Order Code: EAO2226
EMOS DECO T30, E27, 2 W (11 W), 100 lm, flame - LED Bulb
4.0 1×
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
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. 187,-
249,-
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In stock > 10 pcs
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Order Code: EMOS25181
AQARA LED Bulb T2 E27, CCT (LB-L02E) - LED Bulb
4.6 7×
AQARA LED Bulb T2 E27, CCT (LB-L02E)
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 10,5 W, 230 V, luminous flux 1100 lm, adjustable light temperature (2700-6500 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: Aqara25005
WiZ Tunable White 50W E27 G95 Vintage - LED Bulb
3.9 8×
WiZ Tunable White 50W E27 G95 Vintage
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 6,7 W, 230 V, luminous flux 640 lm, adjustable light temperature (2000-5000 K), WiFi 2,4 GHz, compatible with Samsung SmartThings, IFTTT, control via app in both Czech and English, lifespan 15000 h, energy label F, 1 piece in package
429,-
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In stock > 10 pcs
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Order Code: WiZ21024
TESLA LED Bulb Mini-globe BULB E14, 8W, Day White - LED Bulb
4 variants
4.8 111×
TESLA LED Bulb Mini-globe BULB E14, 8W, Day White
LED Bulb - lamp cap E14, power input 8 W, 230 V, luminous flux 900 lm, neutral light (4000 K), diameter of 4,5 cm, lifespan 25000 h, energy label E, 1 piece in package
89,-
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In stock > 10 pcs
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Order Code: TSL19012
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,-
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Order Code: mer21s21
WOOX Smart vintage bulb E27 R9078 - LED Bulb
4.5 10×
WOOX Smart vintage bulb E27 R9078
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 6 W, 230 V, luminous flux 650 lm, diameter of 6 cm, WiFi 2,4 GHz, compatible with Tuya, control via app in both Czech and English, energy label F, 1 piece in package
339,-
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In stock 1 pcs
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Order Code: WOox1q
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 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. 599,-
799,-
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In stock 5 pcs
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Order Code: NCB24_003
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 3 pcs
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Order Code: PHL21009
Philips Hue Essential White and colour Ambiance 4,7W 345 GU10 - LED Bulb
5.0 3×
Philips Hue Essential White and colour Ambiance 4,7W 345 GU10
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, 1 piece in package
649,-
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In stock > 5 pcs
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Order Code: PHLS25092
Philips LED 100WA60 E27 2700K FR UE SRT4 - LED Bulb
4.7 10×
Philips LED 100WA60 E27 2700K FR UE SRT4
LED Bulb , power input 7,3 W, 230 V, luminous flux 1535 lm, warm light (2700 K), diameter of 6 cm, lifespan 50000 h, energy label A, 1 piece in package
289,-
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In stock > 10 pcs
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Order Code: PHLS25036
RETLUX RLL 610 A70 E27 bulb 15W WW D - LED Bulb
4.9 7×
RETLUX RLL 610 A70 E27 bulb 15W WW D
LED Bulb - lamp cap E27, power input 15 W, 230 V, luminous flux 2050 lm, warm light (3000 K), diameter of 7 cm, lifespan 25000 h, energy label D, 1 piece in package
129,-
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In stock > 10 pcs
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Order Code: RTLX24030
EMOS Classic Mini Globe, E27, 4,2 W (40 W), 470 lm, neutral white, 3 pcs - LED Bulb
4 variants
4.9 152×
EMOS Classic Mini Globe, E27, 4,2 W (40 W), 470 lm, neutral white, 3 pcs
LED Bulb - lamp cap E27, power input 4,2 W, 230 V, luminous flux 470 lm, neutral light (4000 K), diameter of 4,5 cm, lifespan 30000 h, energy label E, 3 in package - from 39 Kč/ks
from  116,-
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Order Code: EMOS24128
EMOS Classic A60, E27, 13 W (100 W), 1521 lm, warm white, 3 pcs - LED Bulb
10+ variants
4.8 178×
EMOS Classic A60, E27, 13 W (100 W), 1521 lm, warm white, 3 pcs
LED Bulb - lamp cap E27, power input 13 W, 230 V, luminous flux 1521 lm, warm light (2700 K), diameter of 6 cm, lifespan 30000 h, energy label E, 3 in package - from 78 Kč/ks
from  233,-
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In stock > 5 pcs
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Info
Order Code: EMOS24120
EMOS Classic A60, E27, 4 W (40 W), 470 lm, warm white - LED Bulb
10+ variants
4.8 178×
EMOS Classic A60, E27, 4 W (40 W), 470 lm, warm white
LED Bulb - lamp cap E27, power input 4 W, 230 V, luminous flux 470 lm, warm light (2700 K), diameter of 6 cm, lifespan 30000 h, energy label E, 1 piece in package
55,-
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In stock > 10 pcs
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Order Code: EMOS24072
Philips LED Candle 2,8-25W, E14, 2700K, Milky - LED Bulb
4.8 22×
Philips LED Candle 2,8-25W, E14, 2700K, Milky
LED Bulb , power input 2,8 W, 230 V, luminous flux 250 lm, warm light (2700 K), diameter of 3,6 cm, lifespan 15000 h, energy label F, 1 piece in package
199,-
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In stock > 10 pcs
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Order Code: PHL22001
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
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
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Moes22_18
RETLUX RLL 459 E14 6W hood oven WW - LED Bulb
4.7 37×
RETLUX RLL 459 E14 6W hood oven WW
LED Bulb - lamp cap E14, power input 6 W, 230 V, luminous flux 600 lm, diameter of 2,1 cm, lifespan 15000 h, energy label F, 1 piece in package
119,-
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In stock > 20 pcs
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Info
Order Code: RTLX17117
EMOS Filament A60, E27, 7.5 W (75 W), 1055 lm, warm white, dimmable - LED Bulb
3 variants
4.2 9×
EMOS Filament A60, E27, 7.5 W (75 W), 1055 lm, warm white, dimmable
LED Bulb - lamp cap E27, power input 7,5 W, 230 V, filament, luminous flux 1055 lm, warm light (2700 K), diameter of 6 cm, lifespan 25000 h, energy label D, 1 piece in package
99,-
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In stock > 20 pcs
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Info
Order Code: EMOS25198
TP-Link Tapo L430C Smart E14 (4-pack) - LED Bulb
3 sizes
4.7 31×
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
 
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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