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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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837 Results
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RETLUX RLL 457 R7S J78 4,5W LED COB WW
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EMOS Filament Mini Globe E27 3,4 W (40 W) 470 lm, neutral white
LED Bulb - lamp cap E27, power input 3,4 W, 230 V, luminous flux 470 lm, neutral light (4000 K), diameter of 4,5 cm, lifespan 25000 h, energy label D, 1 piece in package
from  930 Ft
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EMOS LED bulb Classic JC, G9, 4,2 W (40 W), 470 lm, neutral white - LED Bulb
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EMOS LED bulb Classic JC, G9, 4,2 W (40 W), 470 lm, neutral white
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2 variants
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EMOS Classic MR16, GU10, 7 W (60 W), 800 lm, neutral white, dimmable
LED Bulb - lamp cap GU10, power input 7 W, 230 V, luminous flux 800 lm, neutral light (4000 K), diameter of 5 cm, lifespan 25000 h, energy label E, 1 piece in package
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IMMAX NEO LED Smart Filament E14 C37 4W CCT 470 lm dimmable, WiFi, Beacon
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LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 9 W, 230 V, luminous flux 806 lm (2700 K), diameter of 6 cm, WiFi 2,4 GHz, compatible with Manufacturer app, control via app in Czech, lifespan 25000 h, energy label F, 1 piece in package
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EMOS DECO S123, E27, 4 W (16 W), 150 lm, flame
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OSRAM dimmable vintage LED bulb E27 7 W EDISON, warm white
LED Bulb - lamp cap E27, power input 7 W, luminous flux 806 lm, warm light (2200 K), lifespan 15000 h, energy label F, 1 piece in package
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Nedis LED bulb, E27, A60, 4,9 W, 470 lm, 2700 K, 3 pieces
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Mi Smart LED Bulb Essential (White and colour) EU
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 9 W, 240 V, luminous flux 950 lm (1700 K), diameter of 5 cm, WiFi 2,4 GHz, compatible with Xiaomi Home, lifespan 25000 h, energy label A, 1 piece in package
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3 variants
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EMOS Classic JC, G9, 4.2W (40W), 470lm, Neutral White, Dimmable
LED Bulb - lamp cap G9, power input 4 W, 230 V, luminous flux 470 lm, neutral light, diameter of 1,8 cm, lifespan 25000 h, energy label E, 1 piece in package
New arrival 2,200 Ft
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Nedis LED bulb, E27, A60, 8 W, 806 lm, 2700 K, 3 pieces - LED Bulb
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Nedis LED bulb, E27, A60, 8 W, 806 lm, 2700 K, 3 pieces
LED Bulb - lamp cap E27, power input 8 W, 230 V, luminous flux 806 lm, lifespan 15000 h, energy label F, 3 in package
2,290 Ft
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Nedis LED bulb, E27, G125, 3,8 W, 250 lm, 2100, retro - LED Bulb
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Nedis LED bulb, E27, G125, 3,8 W, 250 lm, 2100, retro
LED Bulb - lamp cap E27, power input 3,8 W, 230 V, luminous flux 250 lm, lifespan 15000 h, energy label G, 1 piece in package
4,190 Ft
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RETLUX RLL 675 C37 E14 Candle 3W WW D - LED Bulb
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RETLUX RLL 675 C37 E14 Candle 3W WW D
LED Bulb - lamp cap E14, power input 3 W, 230 V, luminous flux 405 lm, warm light, diameter of 3,7 cm, lifespan 6,94 h, energy label D, 1 piece in package
1,490 Ft
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Xiaomi Smart LED Bulb (White and colour) - LED Bulb
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Xiaomi Smart LED Bulb (White and colour)
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 8,5 W, 240 V, luminous flux 806 lm (2700 K), diameter of 6 cm, WiFi 2,4 GHz and Bluetooth, compatible with Xiaomi Home, control via app in both Czech and English, lifespan 15000 h, energy label F, 1 piece in package
Price has not been set
Currently Unavailable
Order Code: XIA26003
IMMAX NEO Smart GX53 8W RGB+CCT, dimmable, 640lm, WiFi - LED Bulb
3 variants
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IMMAX NEO Smart GX53 8W RGB+CCT, dimmable, 640lm, WiFi
LED Bulb - smart, lamp cap GX53 - lamp cap GX53, power input 8 W, 230 V, luminous flux 640 lm, adjustable light temperature (2700-6500 K), diameter of 7,4 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 G, 1 piece in package
3,470 Ft
Currently Unavailable
Order Code: IMMX26032
Alza Days Light Bulbs & Fluorescent Lights Sorted by Socket by Socket LED Bulbs LED bulbs Fluorescent Tube Lamps Fluorescent Tubes Efficient Lamps Efficient Smart Light Bulbs Light Sources Vintage & Retro Light Bulbs Retro Spotlight Bulbs Spotlight Light Bulb Value Packs Value Packs Car Lightbulbs Car Bulbs Oven Light Bulbs Oven AlzaPower Light Bulbs & Fluorescent Lights AlzaPower Jak vybrat žárovku
 

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