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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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857 Results
OSRAM dimmable LED smoke lamp 7,8 W VINTAGE, warm white - LED Bulb
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OSRAM dimmable LED smoke lamp 7,8 W VINTAGE, warm white
LED Bulb - lamp cap E27, power input 7,8 W, 230 V, luminous flux 806 lm, warm light (1800 K), diameter of 13,8 cm, lifespan 15000 h, energy label G, 1 piece in package
  7,550 Ft
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In stock 3 pcs at the supplier's
Order Code: osra25062
OSRAM dimmable LED bulb E27 7,8 W VINTAGE GLOBE, warm white - LED Bulb
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OSRAM dimmable LED bulb E27 7,8 W VINTAGE GLOBE, warm white
LED Bulb - lamp cap E27, power input 7,8 W, 230 V, luminous flux 806 lm, warm light (1800 K), diameter of 12,5 cm, lifespan 15000 h, energy label G, 1 piece in package
  6,290 Ft
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In stock 1 pcs at the supplier's
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OSRAM dimmable LED bulb E27 7,8 W VINTAGE EDISON, warm white - LED Bulb
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OSRAM dimmable LED bulb E27 7,8 W VINTAGE EDISON, warm white
LED Bulb - lamp cap E27, power input 7,8 W, luminous flux 806 lm, warm light (1800 K), lifespan 15000 h, energy label G, 1 piece in package
  5,820 Ft
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In stock > 5 pcs at the supplier's
Order Code: osra25059
OSRAM brown LED bulb E27 4W VINTAGE ELIPSE, warm white - LED Bulb
2 colors
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OSRAM brown LED bulb E27 4W VINTAGE ELIPSE, warm white
LED Bulb - lamp cap E27, power input 4 W, luminous flux 120 lm, warm light (1800 K), lifespan 15000 h, 1 piece in package
  13,850 Ft
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In stock 4 pcs at the supplier's
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OSRAM dimmable LED filament bulb E27 11 W VINTAGE GLOBE, warm white - LED Bulb
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OSRAM dimmable LED filament bulb E27 11 W VINTAGE GLOBE, warm white
LED Bulb - lamp cap E27, power input 11 W, 230 V, luminous flux 806 lm, warm light (1800 K), diameter of 12,4 cm, lifespan 15000 h, energy label G, 1 piece in package
  8,340 Ft
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In stock 3 pcs at the supplier's
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Philips Hue White and colour Ambiance Light Guide E27 Ellipse - LED Bulb
5.0 8×
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Philips Hue White and colour Ambiance Light Guide E27 Ellipse
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 6,5 W, 230 V, luminous flux 500 lm, adjustable light temperature (2000-6500 K), diameter of 18,5 cm, Bluetooth, compatible with Apple Home, Philips Hue, control via app in both Czech and English, lifespan 25000 h, energy label G, 1 piece in package
  41,290 Ft
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Expected 14/09/2026
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Philips Hue White and colour Ambiance 5,1W E14 Drop 2 pcs - LED Bulb
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Philips Hue White and colour Ambiance 5,1W E14 Drop 2 pcs
LED Bulb - smart, lamp cap E14 - lamp cap E14, power input 5,1 W, 230 V, luminous flux 470 lm (2000 K), diameter of 4,5 cm, Bluetooth, compatible with Apple Home, Google Home, Tuya, Philips Hue, control via app in both Czech and English, lifespan 25000 h, energy label G, 2 in package
New arrival 45,190 Ft
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Expected 14/09/2026
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Philips Hue White and colour Ambiance 5,1W E14 Kapka - LED Bulb
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Philips Hue White and colour Ambiance 5,1W E14 Kapka
LED Bulb - smart, lamp cap E14 - lamp cap E14, power input 5,1 W, 230 V, luminous flux 470 lm (2000 K), diameter of 4,5 cm, Bluetooth, compatible with Apple Home, Google Home, Tuya, Philips Hue, control via app in both Czech and English, lifespan 25000 h, energy label G, 1 piece in package
New arrival 25,590 Ft
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Philips Hue White 7W 810 E27 4pcs - LED Bulb
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Philips Hue White 7W 810 E27 4pcs
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 7 W, 230 V, luminous flux 806 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, 4 in package
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Expected 13/09/2026
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Philips Hue White 7W 810 E27 2pcs - LED Bulb
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Philips Hue White 7W 810 E27 2pcs
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 7 W, 230 V, luminous flux 810 lm, warm light (2700 K), diameter of 6,2 cm, Bluetooth, compatible with Apple Home, Google Home, Philips Hue, control via app in both Czech and English, lifespan 25000 h, energy label E, 2 in package
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Expected 13/09/2026
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Philips Smart LED WFB 40W C37 E14 922-65 RGB 2PF/6 - LED Bulb
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Philips Smart LED WFB 40W C37 E14 922-65 RGB 2PF/6
LED Bulb - smart, lamp cap E14 - lamp cap E14, power input 4,9 W, 230 V, luminous flux 470 lm, adjustable light temperature (2200-6500 K), diameter of 3,9 cm, WiFi 2,4 GHz and Bluetooth, compatible with Apple Siri shortcuts, Google Home, Samsung SmartThings, IFTTT, WiZ Connected, control via app in Czech, lifespan 15000 h, energy label F, 2 in package
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IMMAX NEO LITE 3x Smart bulb LED E14 6W RGB+CCT, dimmable, WiFi, Beacon, DO - LED Bulb
2.0 5×
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IMMAX NEO LITE 3x Smart bulb LED E14 6W RGB+CCT, dimmable, WiFi, Beacon, DO
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, Google Home, Tuya, Lidl Home, Smartlife, Nedis SmartLife, Immax NEO PRO, control via app in both Czech and English, lifespan 25000 h, energy label F, 3 in package
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Expected 14/09/2026
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Philips Hue White Ambiance 8W 1100 E27 starter kit - LED Bulb
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4.8 24×
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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
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Philips 13-100W LED, E27, 2700K, matte (6 pcs) - LED Bulb
4.8 158×
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Philips 13-100W LED, E27, 2700K, matte (6 pcs)
LED Bulb , power input 13 W, 230 V, luminous flux 1521 lm, warm light (2700 K), diameter of 6 cm, lifespan 15000 h, energy label E, 6 pc(s) in package
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Ordered on request
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IMMAX NEO LITE E27 11W RGB+CCT, colour and white, WiFi - pack of 3 - LED Bulb
4.2 30×
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IMMAX NEO LITE E27 11W RGB+CCT, colour and white, WiFi - pack of 3
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, 3 in package
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IMMAX NEO LITE Smart 3x LED bulb E14 6W RGB+CCT colour and white, dimmable, WiFi, P45 - LED Bulb
4.3 10×
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IMMAX NEO LITE Smart 3x LED bulb E14 6W RGB+CCT colour and white, dimmable, WiFi, P45
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 4,5 cm, WiFi 2,4 GHz, 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, 3 in package
  from  7,500 Ft
depending on the number of items
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Ordered on request
Order Code: IMXX21388
IMMAX NEO LITE E27 9W RGB+CCT, colour and white, WiFi - pack of 3 - LED Bulb
4.0 15×
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IMMAX NEO LITE E27 9W RGB+CCT, colour and white, WiFi - pack of 3
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 and Bluetooth, compatible with Apple Siri shortcuts, Tuya, Samsung SmartThings, Lidl Home, Immax NEO PRO, control via app in both Czech and English, lifespan 25000 h, energy label F, 3 in package
Great price 7,890 Ft
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Ordered on request
Order Code: IMMX_21_25
IMMAX NEO LITE Set 3x smart LED bulb GU10 4,8W RGB+CCT, dimmable, WiFi, Beacon, DO - LED Bulb
4.8 8×
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IMMAX NEO LITE Set 3x smart LED bulb GU10 4,8W RGB+CCT, dimmable, WiFi, Beacon, DO
LED Bulb - smart, lamp cap GU10 - lamp cap GU10, power input 4,8 W, 230 V, luminous flux 350 lm, adjustable light temperature (2700-6500 K), diameter of 5 cm, WiFi 2,4 GHz, compatible with Apple Siri shortcuts, Google Home, Tuya, Lidl Home, Smartlife, Nedis SmartLife, Manufacturer app, control via app in both Czech and English, lifespan 25000 h, energy label G, 3 in package
  9,980 Ft
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Ordered on request
Order Code: IMMX24065
IMMAX NEO GU10 4,8W RGB+CCT, colour and white, Zigbee - pack of 3 - LED Bulb
5.0 1×
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IMMAX NEO GU10 4,8W RGB+CCT, colour and white, Zigbee - pack of 3
LED Bulb - smart, lamp cap GU10 - lamp cap GU10, power input 4,8 W, 230 V, luminous flux 400 lm, adjustable light temperature (2700-6500 K), diameter of 5 cm, compatible with Apple Siri shortcuts, Tuya, Lidl Home, Smartlife, Nedis SmartLife, Manufacturer app, control via app in both Czech and English, lifespan 25000 h, energy label G, 3 in package
  from  9,890 Ft
depending on the number of items
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Ordered on request
Order Code: IMMX24039
Philips Smart LED WFB 60W A60 E27 RGB 1PK + Remote - LED Bulb
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Philips Smart LED WFB 60W A60 E27 RGB 1PK + Remote
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 8,5 W, 230 V, luminous flux 806 lm, adjustable light temperature (2200-6500 K), diameter of 6 cm, WiFi 2,4 GHz and Bluetooth, compatible with Apple Siri shortcuts, Google Home, Samsung SmartThings, IFTTT, WiZ Connected, control via app in Czech, lifespan 15000 h, energy label F, 1 piece in package
  9,990 Ft
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Ordered on request
Order Code: PHLS26078
IMMAX NEO LITE 3x Smart bulb LED E27 9W RGB+CCT, dimmable, WiFi, Beacon, DO - LED Bulb
2.6 5×
Watch Price/Availability
IMMAX NEO LITE 3x Smart bulb LED E27 9W RGB+CCT, dimmable, WiFi, Beacon, DO
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 and Bluetooth, compatible with Apple Siri shortcuts, Google Home, Tuya, Lidl Home, Smartlife, Nedis SmartLife, Immax NEO PRO, control via app in both Czech and English, lifespan 25000 h, energy label F, 3 in package
  from  8,900 Ft
depending on the number of items
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Ordered on request
Order Code: IMXX2346
EMOS Classic MR16 White, GU10, 5.8W (75W), 565lm, Cool White - LED Bulb
Watch Price/Availability
EMOS Classic MR16 White, GU10, 5.8W (75W), 565lm, Cool White
LED Bulb - lamp cap GU10, power input 5,8 W, 230 V, luminous flux 565 lm, cool light (6500 K), diameter of 5 cm, lifespan 30000 h, energy label E, 1 piece in package
  1,250 Ft
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Ordered on request
Order Code: EMOS26085
Rabalux SMD-LED 79231 - LED Bulb
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Rabalux SMD-LED 79231
LED Bulb - lamp cap E27, power input 16 W, 230 V, luminous flux 1600 lm, adjustable light temperature (3000-6500 K), diameter of 23 cm, lifespan 25000 h, energy label F, 1 piece in package
New arrival 10,990 Ft
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Ordered on request
Order Code: Rbx26092
SMD LED Capsule clear 11W/G9/230V/3000K/900Lm/300° - LED Bulb
4.3 21×
Watch Price/Availability
SMD LED Capsule clear 11W/G9/230V/3000K/900Lm/300°
LED Bulb - lamp cap G9, power input 11 W, 230 V, luminous flux 900 lm (3000 K), diameter of 1,8 cm, lifespan 30000 h, energy label G, 1 piece in package
  1,450 Ft
Buy
In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ZARAmb08
AlzaPlus+ deals 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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