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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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771 Results
EMOS Classic Mini Globe, E14, 2.5 W (32 W), 350 lm, neutral white - LED Bulb
6 variants
4.8 99×
EMOS Classic Mini Globe, E14, 2.5 W (32 W), 350 lm, neutral white
LED Bulb - lamp cap E14, power input 2,5 W, 230 V, luminous flux 350 lm, neutral light (4000 K), diameter of 4,5 cm, lifespan 30000 h, energy label D, 1 piece in package
740 Ft
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In stock > 10 pcs
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Order Code: EMOS24093
RETLUX REL 36 LED GU10 2x5W - LED Bulb
4.6 12×
RETLUX REL 36 LED GU10 2x5W
LED Bulb - lamp cap GU10, power input 5 W, 230 V, luminous flux 425 lm, diameter of 5 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: RTLX17136
Tesla - LED bulb BULB E27, 8W, 230V, 806lm, 25 000h, 4000K daylight white, 220st 3pcs in pack - LED Bulb
10+ variants
4.8 215×
Tesla - LED bulb BULB E27, 8W, 230V, 806lm, 25 000h, 4000K daylight white, 220st 3pcs in pack
LED Bulb - lamp cap E27, power input 8 W, 230 V, luminous flux 806 lm, neutral light (4000 K), diameter of 6 cm, lifespan 25000 h, energy label F, 3 in package - 900 Ft/pcs
2,690 Ft
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In stock 5 pcs
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Order Code: TslLigh22_54
Philips LED 40W A60 E27 4000K FR UE SRT4 - LED Bulb
5.0 2×
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 4 pcs
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Order Code: PHLS25024
Philips LED 40W A60 E27 2700K CL UE SRT4 - LED Bulb
5.0 1×
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
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Order Code: PHLS25019
SMD LED Capsule clear 2W/G4/12V AC-DC/4000K/190Lm/360° - LED Bulb
4.6 13×
SMD LED Capsule clear 2W/G4/12V AC-DC/4000K/190Lm/360°
LED Bulb - lamp cap G4, power input 2 W, 12 V, luminous flux 190 lm, neutral light (4000 K), diameter of 1,4 cm, lifespan 30000 h, energy label F, 1 piece in package
2,090 Ft
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In stock > 20 pcs
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Info
Order Code: DLPzark14
Philips 50W GU10 CW 36D ND UE SRT4 - LED Bulb
3.5 2×
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 5 pcs
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Order Code: PHLS25039
RETLUX RLT 204 LED tube 120cm 18W CW - LED Lamp
5.0 1×
RETLUX RLT 204 LED tube 120cm 18W CW
LED Lamp - energy label D, power input 18 W, 230 V, luminous flux 2450 lm, neutral light (4000 K), colour Rendering Index (CRI) 80 Ra, lifetime 500 h
Discounted -39 % 1,390 Ft 2,290 Ft
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In stock
Order Code: RTLX24074
Nedis smart LED bulb WIFILRC10E27 - LED Bulb
4.4 5×
Nedis smart LED bulb WIFILRC10E27
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 Tuya, Nedis SmartLife, control via app in both Czech and English, lifespan 10000 h, energy label F, 1 piece in package
5,790 Ft
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In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Nedis22_09
Philips Classic GU10, 50 W, cool white, 6 pcs. - LED Bulb
2 colors
5.0 1×
Philips Classic GU10, 50 W, cool white, 6 pcs.
LED Bulb , power input 4,6 W, 230 V, luminous flux 390 lm, diameter of 5 cm, lifespan 15000 h, energy label F, 6 pc(s) in package - 780 Ft/ks
New arrival 4,690 Ft
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In stock 3 pcs
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Info
Order Code: PHLS26032
RETLUX RLL 634 G45 E14 miniG 6W DL D - LED Bulb
6 variants
4.9 33×
RETLUX RLL 634 G45 E14 miniG 6W DL D
LED Bulb - lamp cap E14, power input 6 W, 230 V, luminous flux 810 lm, cool light (6500 K), lifespan 25000 h, energy label D, 1 piece in package
990 Ft
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RTLX24059
EMOS Classic candle, E14, 2,5 W (32 W), 350 lm, warm white - LED Bulb
3 variants
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
depending on the number of items
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In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EMOS24078
RETLUX RSH 101, GU10, 4.5 WATT, RGB, CCT - LED Bulb
4.2 6×
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
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RTLX24_002
Rabalux Mini Globe G45, 8W, 1000lm, 3000K, E27 - LED Bulb
3.0 1×
Rabalux Mini Globe G45, 8W, 1000lm, 3000K, E27
LED Bulb - lamp cap E27, power input 8 W, 230 V, luminous flux 1000 lm, warm light (3000 K), diameter of 4,5 cm, lifespan 2000 h, energy label E, 1 piece in package
1,060 Ft
Buy
In stock > 20 pcs at the supplier's
Order Code: RABzar001
Wi-Fi BLE 40W C37 E14 922-65 RGB 3CT/6 - LED Bulb
5.0 1×
Wi-Fi BLE 40W C37 E14 922-65 RGB 3CT/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, control via app in both Czech and English, lifespan 15000 h, energy label F, 3 in package
16,490 Ft
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In stock 3 pcs
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Info
Order Code: WiZ23016
RETLUX RLL 428 C37 E14 candle 6W DL - LED Bulb
2 variants
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
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RTLX22_057
Tesla - LED bulb FILAMENT RETRO BULB, E27, 4,2W, 230V, 470lm, 25 000h, 4000K daylight white, 360deg - LED Bulb
3 variants
4.4 12×
Tesla - LED bulb FILAMENT RETRO BULB, E27, 4,2W, 230V, 470lm, 25 000h, 4000K daylight white, 360deg
LED Bulb , power input 4,2 W, 230 V, luminous flux 470 lm, neutral light (4000 K), diameter of 6 cm, lifespan 25000 h, energy label E, 1 piece in package
1,390 Ft
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TslLigh22_70
Tesla - LED bulb CANDLE candle, E14, 7W, 230V, 806lm, 25 000h, 4000K daylight white, 180st - LED Bulb
2 variants
4.6 15×
Tesla - LED bulb CANDLE candle, E14, 7W, 230V, 806lm, 25 000h, 4000K daylight white, 180st
LED Bulb - lamp cap E14, power input 7 W, 230 V, luminous flux 806 lm, neutral light (4000 K), diameter of 3,7 cm, lifespan 25000 h, energy label E, 1 piece in package
2,090 Ft
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TslLight24003
EMOS Classic A60, E27, 9.5 W (75 W), 1055 lm, cool white - LED Bulb
8 variants
4.8 175×
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
from  1,070 Ft
depending on the number of items
Buy
In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EMOS24100
Philips 40W B35 E14 2700K CL UE SRT4 - LED Bulb
3.7 3×
Philips 40W B35 E14 2700K CL UE SRT4
LED Bulb - lamp cap E14, power input 2,3 W, 230 V, luminous flux 485 lm, warm light (2700 K), lifespan 50000 h, energy label A, 1 piece in package
3,390 Ft
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHLS25046
EMOS Classic Mini Globe, E27, 4.2 W (40 W), 470 lm, warm white - LED Bulb
3 variants
4.9 152×
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
depending on the number of items
Buy
In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EMOS24083
RETLUX REL 37 LED GU10 4x5W - LED Bulb
4.6 9×
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
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RTLX17137
Tesla - LED bulb FILAMENT RETRO candle E14, 6W, 230V, 806lm, 25 000h, 2700K warm white, 360deg, clea - LED Bulb
4.8 16×
Tesla - LED bulb FILAMENT RETRO candle E14, 6W, 230V, 806lm, 25 000h, 2700K warm white, 360deg, clea
LED Bulb - lamp cap E14, power input 6 W, 230 V, luminous flux 806 lm, warm light (2700 K), diameter of 3,5 cm, lifespan 25000 h, energy label E, 1 piece in package
from  1,290 Ft
depending on the number of items
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TslLigh22_57
Tesla - LED bulb BULB E27, 8W, 230V, 806lm, 25 000h, 3000K warm white, 220st 3pcs in pack - LED Bulb
10+ variants
4.8 215×
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 - 900 Ft/pcs
2,690 Ft
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TslLigh22_49
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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