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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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858 Results
Tesla LED bulb GU5,3 MR16, 6W, 12V, 540lm, 4000K daylight white - LED Bulb
2 variants
4.7 87×
Tesla LED bulb GU5,3 MR16, 6W, 12V, 540lm, 4000K daylight white
LED Bulb - lamp cap GU5,3, power input 6 W, 12 V, luminous flux 540 lm, neutral light (4000 K), diameter of 5 cm, lifespan 25000 h, energy label G, 1 piece in package
99,-
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Order Code: TslLight23_022
RETLUX RLL 418 GU10 bulb 9W CW - LED Bulb
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RETLUX RLL 418 GU10 bulb 9W CW
LED Bulb - lamp cap GU10, power input 9 W, 230 V, luminous flux 820 lm, neutral light (4000 K), diameter of 5 cm, lifespan 20000 h, energy label F, 1 piece in package
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EMOS Classic A60, E27, 7 W (60 W), 806 lm, warm white, 3 pcs - LED Bulb
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EMOS Classic A60, E27, 7 W (60 W), 806 lm, warm white, 3 pcs
LED Bulb - lamp cap E27, power input 7 W, 230 V, luminous flux 806 lm, warm light (2700 K), diameter of 6 cm, lifespan 30000 h, energy label E, 3 in package
from  134,-
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Order Code: EMOS24102
IMMAX NEO LITE Smart bulb LED G9 4W CCT, warm, cool white, dimmable, WiFi, TUYA - LED Bulb
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Order Code: IMXX21387
Tesla - LED bulb FILAMENT RETRO BULB E27, 7,2W, 230V, 806lm, 25 000h, 2700K warm white, 360deg, clea - LED Bulb
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Tesla - LED bulb FILAMENT RETRO BULB E27, 7,2W, 230V, 806lm, 25 000h, 2700K warm white, 360deg, clea
LED Bulb , power input 7,2 W, 230 V, luminous flux 806 lm, warm light (2700 K), diameter of 6 cm, lifespan 25000 h, energy label E
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IMMAX NEO LITE Smart bulb LED E27 11W colour and white, dimmable, WiFi - LED Bulb
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IMMAX NEO LITE Smart bulb LED E27 11W colour and white, dimmable, WiFi + prodloužená záruka o 1 rok ZDARMA
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, 1 piece in package
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Tesla - LED bulb BULB E27, 12W, 230V, 1521lm, 25 000h, 3000K warm white 220st - LED Bulb
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Tesla - LED bulb BULB E27, 12W, 230V, 1521lm, 25 000h, 3000K warm white 220st
LED Bulb , power input 12 W, 230 V, luminous flux 1521 lm, warm light (3000 K), diameter of 6 cm, lifespan 25000 h, energy label E, 1 piece in package
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EMOS Classic A80, E27, 20 W (150 W), 2452 lm, neutral white - LED Bulb
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EMOS Classic A80, E27, 20 W (150 W), 2452 lm, neutral white
LED Bulb - lamp cap E27, power input 20 W, 230 V, luminous flux 2452 lm, neutral light (4000 K), diameter of 8 cm, lifespan 30000 h, energy label E, 1 piece in package
139,-
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Philips Hue White and colour Ambiance 9W 1100 E27 small promo starter kit + Philips Hue Tap Dial Swi - LED Bulb
5 colors
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EMOS Classic A60, E27, 9.5 W (75 W), 1055 lm, cool white - LED Bulb
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EMOS Classic A60, E27, 9.5 W (75 W), 1055 lm, cool white
LED Bulb - lamp cap E27, power input 9,5 W, 230 V, luminous flux 1055 lm, cool light (6500 K), diameter of 6 cm, lifespan 30000 h, energy label E, 1 piece in package
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EMOS Classic JC G4 1,9 W (21 W) 200 lm, neutral white, 2 pcs - LED Bulb
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EMOS Classic candle, E14, 4,2 W (40 W), 470 lm, warm white, 3 pcs - LED Bulb
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Tesla - LED bulb BULB E27, 8W, 230V, 806lm, 25 000h, 3000K warm white, 220st 3pcs in pack - LED Bulb
10+ variants
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Tesla - LED bulb BULB E27, 8W, 230V, 806lm, 25 000h, 3000K warm white, 220st 3pcs in pack
LED Bulb - lamp cap E27, power input 8 W, 230 V, luminous flux 806 lm, warm light (3000 K), diameter of 6 cm, lifespan 25000 h, energy label F, 3 in package
Buy at the price for both existing and new AlzaPlus+ members 109,-
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Order Code: TslLigh22_49
EMOS Classic A60, E27, 13 W (100 W), 1521 lm, neutral white, 3 pcs - LED Bulb
10 variants
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EMOS Classic A60, E27, 13 W (100 W), 1521 lm, neutral white, 3 pcs
LED Bulb - lamp cap E27, power input 13 W, 230 V, luminous flux 1521 lm, neutral light (4000 K), diameter of 6 cm, lifespan 30000 h, energy label E, 3 in package
from  233,-
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Order Code: EMOS24121
Solight LED bulb, spot, 7W, GU10, 6000K, 595lm, white - LED Bulb
4.8 31×
Solight LED bulb, spot, 7W, GU10, 6000K, 595lm, white
LED Bulb - lamp cap GU10, power input 7 W, 230 V, luminous flux 595 lm, cool light (6000 K), diameter of 5 cm, lifespan 35000 h, energy label E, 1 piece in package
59,-
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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: Solight24055
IMMAX NEO LITE GU10 6W RGB+CCT, colour and white WiFi - pack of 3 - LED Bulb
3.8 26×
IMMAX NEO LITE GU10 6W RGB+CCT, colour and white WiFi - pack of 3 + prodloužená záruka o 1 rok ZDARMA
LED Bulb - smart, lamp cap GU10 - lamp cap GU10, power input 5,5 W, 230 V, luminous flux 400 lm, adjustable light temperature (2700-6500 K), diameter of 5 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 G, 3 in package
from  476,-
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Info
Order Code: IMXX21370
LED Spotlight, 7W, GU10, 4000K, 560lm, White - LED Bulb
4.8 48×
LED Spotlight, 7W, GU10, 4000K, 560lm, White
LED Bulb - lamp cap GU10, power input 7 W, 230 V, neutral light (4000 K), diameter of 5 cm, lifespan 35000 h, energy label F, 1 piece in package
59,-
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In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Philips LED Classic 7-60W, E27, 2700K, matt - LED Bulb
4.5 63×
Philips LED Classic 7-60W, E27, 2700K, matt
LED Bulb , power input 7 W, 230 V, luminous flux 806 lm, warm light (2700 K), diameter of 6 cm, lifespan 15000 h, energy label E, 1 piece in package
from  128,-
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In stock > 10 pcs
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Info
Order Code: ESO105g2
Philips Hue White and colour Ambiance 9W 800 E27 4pcs - LED Bulb
2 variants
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Philips Hue White and colour Ambiance 9W 800 E27 4pcs
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 9 W, 230 V, luminous flux 800 lm, adjustable light temperature (2000-6500 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, 4 in package
5,119,-
From 121,- per month
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHL21025
IMMAX NEO LITE SMART LED bulb GU10 6W colour and white WiFi - LED Bulb
4.4 40×
IMMAX NEO LITE SMART LED bulb GU10 6W colour and white WiFi + prodloužená záruka o 1 rok ZDARMA
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, 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 G, 1 piece in package
189,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: IMXX21369
EMOS Smart LED bulb GoSmart A60 E27 11 W (75 W) 1 050 lm RGB dimmable Wi-Fi - LED Bulb
3 variants
4.2 135×
EMOS Smart LED bulb GoSmart A60 E27 11 W (75 W) 1 050 lm RGB dimmable Wi-Fi
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 11 W, 230 V, luminous flux 1050 lm, adjustable light temperature (2700-6500 K), diameter of 6 cm, WiFi 2,4 GHz, compatible with Tuya, EMOS GoSmart, control via app in both Czech and English, lifespan 20000 h, energy label F, 1 piece in package
199,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: HM521b3
Philips Hue White and colour Ambiance 4W E14 - LED Bulb
2 variants
4.9 72×
Philips Hue White and colour Ambiance 4W E14
LED Bulb - smart, lamp cap E14 - lamp cap E14, power input 4 W, 230 V, luminous flux 470 lm (2000 K), diameter of 3,9 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
1,629,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ESO2557q3
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