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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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772 Results
TESLA LED 7W GU10 GU100730-4 - LED Bulb
2 variants
4.7 183×
TESLA LED 7W GU10 GU100730-4
LED Bulb - lamp cap GU10, power input 7 W, 230 V, luminous flux 560 lm, warm light (3000 K), diameter of 5 cm, lifespan 25000 h, energy label F, 1 piece in package
1,390 Ft
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In stock > 20 pcs
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Order Code: EN416c1
Rabalux Industrial bulb R7s, 120W, 230V, 2220Lm, 2700K, 78 mm - Bulb
5.0 1×
Rabalux Industrial bulb R7s, 120W, 230V, 2220Lm, 2700K, 78 mm
Bulb - R7s socket
1,520 Ft
Buy
In stock > 20 pcs at the supplier's
Order Code: RABzar003
Tesla BULB, E27, 6W, 230V, 640lm, 25,000h, 4000K neutral white, 220deg - LED Bulb
10+ variants
4.8 215×
Tesla BULB, E27, 6W, 230V, 640lm, 25,000h, 4000K neutral white, 220deg
LED Bulb , power input 6 W, 230 V, luminous flux 640 lm, neutral light (4000 K), diameter of 6 cm, lifespan 25000 h, energy label F, 1 piece in package
1,190 Ft
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In stock 4 pcs
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Info
Order Code: TslLight25013
Tesla LED Bulb GU5, 4W - LED Bulb
2 variants
4.8 85×
Tesla LED Bulb GU5, 4W
LED Bulb - lamp cap GU5,3, power input 4 W, 12 V, luminous flux 400 lm, neutral light (4000 K), diameter of 5 cm, lifespan 25000 h, energy label F, 1 piece in package
1,750 Ft
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In stock > 5 pcs
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Info
Order Code: TSL19096
EMOS Classic MR16 white, GU10, 3 W (32 W), 345 lm, warm white - LED Bulb
5 variants
4.8 220×
EMOS Classic MR16 white, GU10, 3 W (32 W), 345 lm, warm white
LED Bulb - lamp cap GU10, power input 3 W, 230 V, luminous flux 345 lm, warm light (3000 K), diameter of 5 cm, lifespan 30000 h, energy label E, 1 piece in package
1,090 Ft
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In stock > 10 pcs
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Order Code: EMOS24210
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
4,190 Ft
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In stock 3 pcs
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Info
Order Code: RTLX17123
EMOS LED Bulb Classic JC, A++, 4.5W, E14, Neutral White - LED Bulb
2 variants
4.7 81×
EMOS LED Bulb Classic JC, A++, 4.5W, E14, Neutral White
LED Bulb - lamp cap E14, power input 4,5 W, 230 V, luminous flux 465 lm, neutral light (4100 K), diameter of 2 cm, lifespan 30000 h, energy label F, 1 piece in package
from  2,600 Ft
depending on the number of items
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In stock > 10 pcs
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Info
Order Code: EMS19002
RETLUX RLL 642 G45 E27 miniG 8W CW D - LED Bulb
5 variants
4.8 17×
RETLUX RLL 642 G45 E27 miniG 8W CW D
LED Bulb - lamp cap E27, power input 8 W, 230 V, luminous flux 1080 lm, neutral light (4000 K), lifespan 25000 h, energy label D, 1 piece in package
1,490 Ft
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RTLX24065
Tesla BULB E27, 20W, 230V, 2500lm, 25 000h, 4000K daylight white 220deg - LED Bulb
10+ variants
4.8 215×
Tesla BULB E27, 20W, 230V, 2500lm, 25 000h, 4000K daylight white 220deg
LED Bulb , power input 20 W, 230 V, luminous flux 2500 lm, neutral light (4000 K), diameter of 8 cm, lifespan 25000 h, energy label E, 1 piece in package
3,690 Ft
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TslLight25015
Philips 50W GU10 WH 36D ND UE SRT4 - LED Bulb
5.0 2×
Philips 50W GU10 WH 36D ND UE SRT4
LED Bulb - lamp cap GU10, power input 2,4 W, 230 V, luminous flux 400 lm, warm light (3000 K), diameter of 5 cm, lifespan 50000 h, energy label A, 1 piece in package
6,790 Ft
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In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHLS25038
Nedis LED bulb, G4, 1,5 W, 12 V, 120 lm, 2700 K - LED Bulb
4.4 5×
Nedis LED bulb, G4, 1,5 W, 12 V, 120 lm, 2700 K
LED Bulb - lamp cap G4, power input 1,5 W, 12 V, luminous flux 120 lm, lifespan 15000 h, energy label G, 1 piece in package
1,390 Ft
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Nedis24055
Wi-Fi BLE 40W C37 E14 927-65 TW 3CT/6 - LED Bulb
4.7 3×
Wi-Fi BLE 40W C37 E14 927-65 TW 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 (2700-6500 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
14,390 Ft
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In stock > 5 pcs
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Info
Order Code: WiZ23017
AQARA LED Bulb T2 GU10, CCT (LB-L03E) - LED Bulb
3.0 1×
AQARA LED Bulb T2 GU10, CCT (LB-L03E)
LED Bulb - smart, lamp cap GU10 - lamp cap GU10, power input 4,9 W, 230 V, luminous flux 450 lm, adjustable light temperature (2700-6500 K), diameter of 5 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
9,250 Ft
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqara25007
EMOS Classic Mini Globe, E14, 2.5 W (32 W), 350 lm, warm white - LED Bulb
6 variants
4.8 99×
EMOS Classic Mini Globe, 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 4,5 cm, lifespan 30000 h, energy label D, 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: EMOS24092
OSRAM 20X1, E14, 40W, 300 °C, clear - Oven Bulb
4.5 26×
OSRAM 20X1, E14, 40W, 300 °C, clear
Oven Bulb - energy label G, power input 40 W, 230 V, Filament, luminous flux 300 lm, warm light (2700 K), diameter 2,9 cm, lifetime 1000 h
1,690 Ft
Buy
In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: osra25109
Philips Hue LG G95 - LED Bulb
5.0 2×
Philips Hue LG G95
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, Apple Siri shortcuts, Google Home, Samsung SmartThings, Philips Hue, control via app in both Czech and English, lifespan 25000 h, energy label G, 1 piece in package
33,990 Ft
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHLS24_006
Niceboy SmartBulb AMBIENT E14 set 2 pcs - LED Bulb
2 sizes
4.0 12×
Niceboy SmartBulb AMBIENT E14 set 2 pcs
LED Bulb - smart, lamp cap E14 - lamp cap E14, power input 5,5 W, 230 V, luminous flux 470 lm, adjustable light temperature (2700-6500 K), diameter of 3,6 cm, WiFi 2,4 GHz, compatible with Niceboy ION, control via app in Czech, lifespan 25000 h, energy label F, 2 in package
Discounted -25 % 5,090 Ft 6,790 Ft
Buy
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: NCB21_02
RETLUX RLL 450 A60 E27 bulb 3DIMM 10W CW - LED Bulb
2 variants
4.3 9×
RETLUX RLL 450 A60 E27 bulb 3DIMM 10W CW
LED Bulb , power input 10 W, 230 V, luminous flux 940 lm, neutral light (4000 K), diameter of 6 cm, lifespan 25000 h, energy label F, 1 piece in package
Discounted -25 % 1,490 Ft 1,990 Ft
Buy
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RTLX17158
WOOX Smart Zigbee E27 LED bulb R9077 - LED Bulb
3.0 2×
WOOX Smart Zigbee E27 LED bulb R9077
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 10 W, 230 V, luminous flux 806 lm (2700 K), diameter of 6 cm, WiFi 2,4 GHz, compatible with Tuya, control via app in both Czech and English, lifespan 30000 h, 1 piece in package
7,790 Ft
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Woox22_9
EMOS DECO SMOKED A60, E27, 4,5 W (19 W), 180 lm, flame - LED Bulb
4.5 6×
EMOS DECO SMOKED A60, E27, 4,5 W (19 W), 180 lm, flame
LED Bulb - lamp cap E27, power input 4,5 W, 230 V, filament, luminous flux 180 lm, warm light (1800 K), diameter of 6 cm, lifespan 25000 h, energy label G, 1 piece in package
3,290 Ft
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EMOS25185
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
7,450 Ft
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: WiZ21024
Solight LED Reflector Bulb, E14, 5W, 4000K - LED Bulb
4.8 58×
Solight LED Reflector Bulb, E14, 5W, 4000K
LED Bulb , power input 5 W, 220 V, luminous flux 400 lm, neutral light (4000 K), diameter of 5 cm, lifespan 30000 h, energy label F, 1 piece in package
990 Ft
Buy
In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SD078t
RETLUX RLL 447 GU10 bulb 3step DIMM 6W WW - LED Bulb
2 variants
4.4 16×
RETLUX RLL 447 GU10 bulb 3step DIMM 6W WW
LED Bulb , power input 6 W, 230 V, luminous flux 510 lm, warm light (3000 K), diameter of 5 cm, lifespan 25000 h, energy label F, 1 piece in package
1,690 Ft
Buy
In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RTLX17156
WiZ Tunable White 60W E27 A60 - LED Bulb
3.2 8×
WiZ Tunable White 60W E27 A60
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 8 W, 230 V, luminous flux 806 lm, adjustable light temperature (2700-6500 K), WiFi 2,4 GHz, compatible with Samsung SmartThings, IFTTT, control via app in both Czech and English, lifespan 25000 h, energy label F, 1 piece in package
3,470 Ft
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: WiZ21003
 
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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