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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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851 Results
IMMAX NEO Smart GX53 8W RGB+CCT, dimmable, 640lm, WiFi - LED Bulb
3 variants
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
219,-
Buy
In stock > 10 pcs at the supplier's
Order Code: IMMX26032
Tesla GLOBE G95 VINTAGE, E27, 4, 2W, 230V, 380lm, 2400K, 360deg, gold - LED Bulb
Tesla GLOBE G95 VINTAGE, E27, 4, 2W, 230V, 380lm, 2400K, 360deg, gold
LED Bulb , power input 4,2 W, 230 V, filament, luminous flux 380 lm (2400 K), diameter of 9,5 cm, lifespan 25000 h, energy label F, 1 piece in package
Buy with code ALZADNY10 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 10 % s kódem ALZADNY10. Klikněte a kód se uplatní automaticky. 206,-
229,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TslLigh22_74
Philips Smart LED WFB 40W A60 E27 RGB - LED Bulb
Philips Smart LED WFB 40W A60 E27 RGB
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 6,3 W, 230 V, filament, luminous flux 470 lm, adjustable light temperature (2200-6500 K), diameter of 6 cm, WiFi 2,4 GHz, compatible with Apple Siri shortcuts, Google Home, control via app in Czech, lifespan 15000 h, energy label G, 1 piece in package
Buy with code ALZADNY20 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky. 599,-
749,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHLS26004
EMOS DECO S123, E27, 4 W (16 W), 150 lm, flame - LED Bulb
EMOS DECO S123, E27, 4 W (16 W), 150 lm, flame
LED Bulb - lamp cap E27, power input 4 W, 230 V, filament, luminous flux 150 lm, warm light (1800 K), diameter of 12,3 cm, lifespan 25000 h, energy label G, 1 piece in package
379,-
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In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: EMOS25184
McLED T8 LED tube 25 W, 4000 K, CRI80, 3300 lm, 130 lm/W, 1500 mm - LED Lamp
McLED T8 LED tube 25 W, 4000 K, CRI80, 3300 lm, 130 lm/W, 1500 mm
LED Lamp - G13 socket, energy label E, power input 25 W, luminous flux 3300 lm, neutral light (4000 K), colour Rendering Index (CRI) 80 Ra, diameter 2,9 cm, service life 40000 h
284,-
Buy
In stock > 10 pcs at the supplier's
Order Code: MCLled012
IMMAX NEO LED Smart Filament E14 C37 4W CCT 470 lm dimmable, WiFi, Beacon - LED Bulb
1.0 1×
IMMAX NEO LED Smart Filament E14 C37 4W CCT 470 lm dimmable, WiFi, Beacon
LED Bulb - smart, lamp cap E14 - lamp cap E14, power input 4 W, 230 V, filament, luminous flux 470 lm, adjustable light temperature (2700-6500 K), diameter of 3,5 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 E, 1 piece in package
239,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: IMMX25102
Tesla LED bulb G9, 2W, 230V, 200lm, 3000K warm white, 2pcs in pack - LED Bulb
Tesla LED bulb G9, 2W, 230V, 200lm, 3000K warm white, 2pcs in pack
LED Bulb - lamp cap G9, power input 2 W, 230 V, luminous flux 200 lm, warm light, diameter of 1,6 cm, lifespan 20000 h, energy label F, 2 in package
199,-
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In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TslLight25019
RETLUX RSH 105 Wi-Fi smart bulb G9 CCT - LED Bulb
RETLUX RSH 105 Wi-Fi smart bulb G9 CCT
LED Bulb - smart, lamp cap GU10 - lamp cap GU10, power input 4 W, 230 V, luminous flux 500 lm, adjustable light temperature (3000-6500 K), diameter of 2,35 cm, WiFi 2,4 GHz and Bluetooth, compatible with Apple Siri shortcuts, Google Home, Tuya, Manufacturer app, control via app in both Czech and English, lifespan 15000 h, energy label F, 1 piece in package
299,-
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In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RTLX24015
Diolamp Vintage ST64 10W/230V/E27/2700K/1220Lm/360° - LED Bulb
Diolamp Vintage ST64 10W/230V/E27/2700K/1220Lm/360°
LED Bulb - lamp cap E27, power input 10 W, 230 V, filament, luminous flux 1220 lm, warm light (2700 K), diameter of 6,4 cm, lifespan 30000 h, energy label E, 1 piece in package
New arrival 99,-
Buy
In stock > 20 pcs at the supplier's
Order Code: DIOLHIledz12
McLED T8 LED tube 23 W, 4000 K, CRI80, 2415 lm, 105 lm/W, 1500 mm - LED Lamp
McLED T8 LED tube 23 W, 4000 K, CRI80, 2415 lm, 105 lm/W, 1500 mm
LED Lamp - G13 socket, energy label F, power input 23 W, 230 V, luminous flux 2415 lm, neutral light (4000 K), colour Rendering Index (CRI) 80 Ra, diameter 2,9 cm, service life 40000 h
192,-
Buy
In stock > 10 pcs at the supplier's
Order Code: MCLled003
Wi-Fi BLE A60 E27 922-65 RGB CL 1PF/6 - LED Bulb
Wi-Fi BLE A60 E27 922-65 RGB CL 1PF/6
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 6,3 W, 230 V, luminous flux 470 lm (2200 K), diameter of 6 cm, WiFi 2,4 GHz, control via app in both Czech and English, lifespan 15000 h, energy label G, 1 piece in package
749,-
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In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: WiZ23015
Diolamp Vintage T30 4W/230V/E27/2700K/480Lm/360°/22,5 cm - LED Bulb
2 variants
Diolamp Vintage T30 4W/230V/E27/2700K/480Lm/360°/22,5 cm
LED Bulb - lamp cap E27, power input 4 W, 230 V, filament, luminous flux 480 lm, warm light (2700 K), diameter of 3 cm, lifespan 30000 h, energy label E, 1 piece in package
New arrival 119,-
Buy
In stock > 20 pcs at the supplier's
Order Code: DIOLHIledz14
Philips Smart LED WFB 60W ST64 E27 - LED Bulb
Philips Smart LED WFB 60W ST64 E27
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 7 W, 230 V, filament, luminous flux 806 lm, adjustable light temperature (2700-6500 K), diameter of 6,4 cm, WiFi 2,4 GHz, compatible with Apple Siri shortcuts, Google Home, control via app in Czech, lifespan 15000 h, energy label E, 1 piece in package
Buy with code ALZADNY20 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky. 303,-
379,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHLS26007
Philips Smart LED WFB 60W G95 E27 - LED Bulb
Philips Smart LED WFB 60W G95 E27
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 7 W, 230 V, filament, luminous flux 806 lm, adjustable light temperature (2700-6500 K), diameter of 9,5 cm, WiFi 2,4 GHz, compatible with Apple Siri shortcuts, Google Home, control via app in Czech, lifespan 15000 h, energy label E, 1 piece in package
Buy with code ALZADNY20 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky. 319,-
399,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHLS26008
OSRAM flat LED bulb 3.5W E27 STAR, warm white - LED Bulb
OSRAM flat LED bulb 3.5W E27 STAR, warm white
LED Bulb - lamp cap E27, power input 3,5 W, luminous flux 300 lm, warm light (2700 K), lifespan 25000 h, energy label F
199,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: osra25042
Self-Monitoring Starter kit WiZ EU - IP Camera
Self-Monitoring Starter kit WiZ EU
IP Camera - interior, 360° viewing angle, motoric rotation, fixed lens, mobile app notifications, connection over WiFi 2,4 GHz, powered by the mains, control via apple Siri shortcuts and manufacturer app, IP20 IP rating, power cable included, dimensions 6.5 × 7 × 12 cm (H×W×D)
4,079,-
From 94,- per month
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: WiZ23013
Philips Classic GU10, 50 W, cool white, 3 pcs. - LED Bulb
2 colors
Philips Classic GU10, 50 W, cool white, 3 pcs.
LED Bulb , power input 4,6 W, 230 V, luminous flux 390 lm, diameter of 5 cm, lifespan 15000 h, energy label F, 3 in package - 50 Kč/ks
New arrival 149,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHLS26031
Diolamp High Performance P140 48W/230V/E27/6000K/4650Lm/220°/IP65 - LED Bulb
2 variants
Diolamp High Performance P140 48W/230V/E27/6000K/4650Lm/220°/IP65
LED Bulb - lamp cap E27, power input 48 W, 230 V, luminous flux 4650 lm, cool light (6000 K), diameter of 14 cm, lifespan 30000 h, energy label F, 1 piece in package
New arrival 349,-
Buy
In stock > 10 pcs at the supplier's
Order Code: DIOLHIledz04
Diolamp A80 10W, 230V, E27, 3000K, 800Lm, 180° - LED Bulb
Diolamp A80 10W, 230V, E27, 3000K, 800Lm, 180°
LED Bulb - lamp cap E27, power input 10 W, 230 V, luminous flux 800 lm, warm light (3000 K), diameter of 8 cm, lifespan 20000 h, energy label G, 1 piece in package
65,-
Buy
In stock > 20 pcs at the supplier's
Order Code: DIOzar23
OSRAM dimmable vintage LED bulb E27 7 W EDISON, warm white - LED Bulb
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
399,-
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: osra25072
Tellur WiFi Smart bulb E27, 9 W, white, warm white, dimmer - LED Bulb
Tellur WiFi Smart bulb E27, 9 W, white, warm white, dimmer
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 9 W, 230 V, adjustable light temperature (2700-6500 K), diameter of 6 cm, WiFi 2,4 GHz, control via app in both Czech and English, lifespan 15000 h, energy label F, 1 piece in package
239,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Tellur_22_01
Philips Classic A60, E27, 75 W, cool white, 2 pcs. - LED Bulb
2 colors
Philips Classic A60, E27, 75 W, cool white, 2 pcs.
LED Bulb , power input 8,5 W, 230 V, luminous flux 1055 lm, diameter of 6 cm, lifespan 15000 h, energy label E, 2 in package - 120 Kč/ks
New arrival 239,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHLS26038
Philips Classic A60, E27, 60 W, cool white, 6 pcs. - LED Bulb
2 colors
Philips Classic A60, E27, 60 W, cool white, 6 pcs.
LED Bulb , power input 7 W, 230 V, luminous flux 850 lm, diameter of 6 cm, lifespan 15000 h, energy label E, 6 pc(s) in package - 65 Kč/ks
New arrival 389,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHLS26026
Diolamp High Performance MA90 29W/230V/E27/4000K/3500Lm/360° - LED Bulb
Diolamp High Performance MA90 29W/230V/E27/4000K/3500Lm/360°
LED Bulb - lamp cap E27, power input 29 W, 230 V, luminous flux 3500 lm, neutral light (4000 K), diameter of 9 cm, lifespan 30000 h, energy label F, 1 piece in package
New arrival 429,-
Buy
In stock > 5 pcs at the supplier's
Order Code: DIOLHIledz07

Light Bulbs & Fluorescent Lights

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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Light Bulbs & Fluorescent Lights

In the category Light Bulbs & Fluorescent Lights on Alza.cz, we currently have a total of 947 products, which you can easily buy online and get quickly delivered. See all of your purchases and make orders on our easy-to-use app.
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