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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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Philips Hue White Ambiance 5.1W 12V MR16 1P EU - LED Bulb
2 variants
5.0 1×
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Philips Hue White Ambiance 5.1W 12V MR16 1P EU
LED Bulb - smart, lamp cap GU5,3 - lamp cap GU5,3, power input 5,1 W, 12 V, luminous flux 400 lm, adjustable light temperature (2200-6500 K), diameter of 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
15,790 Ft
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Order Code: PHLS23018
Philips LED 40W P45 E27 4000K CL UE SRT4 - LED Bulb
4.0 1×
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Philips LED 40W P45 E27 4000K CL UE SRT4
LED Bulb , power input 2,3 W, 230 V, luminous flux 485 lm, neutral light (4000 K), diameter of 4,5 cm, lifespan 50000 h, energy label A, 1 piece in package
2,890 Ft
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Order Code: PHLS25023
EMOS Classic A60, E27, 7 W (60 W), 806 lm, cool white - LED Bulb
10+ variants
4.8 190×
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EMOS Classic A60, E27, 7 W (60 W), 806 lm, cool white
LED Bulb - lamp cap E27, power input 7 W, 230 V, luminous flux 806 lm, cool light (6500 K), diameter of 6 cm, lifespan 30000 h, energy label E, 1 piece in package
1,190 Ft
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In stock > 10 pcs
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Order Code: EMOS24089
RETLUX REL 38 LED R50 2x6W E14 W - LED Bulb
2 variants
4.8 64×
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RETLUX REL 38 LED R50 2x6W E14 W
LED Bulb - lamp cap E14, power input 6 W, 230 V, luminous flux 510 lm, warm light (3000 K), diameter of 5 cm, lifespan 25000 h, energy label F, 2 in package
1,890 Ft
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In stock 2 pcs
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Order Code: RTLX22_040
RETLUX RLL 638 G45 E27 miniG 6W WW D - LED Bulb
5 variants
4.8 18×
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RETLUX RLL 638 G45 E27 miniG 6W WW D
LED Bulb - lamp cap E27, power input 6 W, 230 V, luminous flux 810 lm, warm light (3000 K), lifespan 25000 h, energy label D, 1 piece in package
990 Ft
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In stock 5 pcs
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Order Code: RTLX24061
SMD LED Spotlight PAR16 7W/GU10/230V/4000K/540Lm/105° - LED Bulb
5.0 1×
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SMD LED Spotlight PAR16 7W/GU10/230V/4000K/540Lm/105°
LED Bulb - lamp cap GU10, power input 7 W, 230 V, luminous flux 540 lm, neutral light (4000 K), diameter of 5 cm, lifespan 30000 h, 1 piece in package
1,250 Ft
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In stock > 20 pcs
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Order Code: PEVzar129
Philips LED 7,3-100W, E27, 4000K, milky, A - LED Bulb
4.4 6×
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Philips LED 7,3-100W, E27, 4000K, milky, A
LED Bulb , power input 7,3 W, 240 V, luminous flux 1535 lm, neutral light (4000 K), diameter of 6 cm, lifespan 50000 h, energy label A, 1 piece in package
4,090 Ft
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In stock 3 pcs
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Order Code: PHL22057
Philips LED 60W G95 E27 4000K CL UE SRT4 - LED Bulb
4.3 3×
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Philips LED 60W G95 E27 4000K CL UE SRT4
LED Bulb , power input 4 W, 230 V, luminous flux 840 lm, neutral light (4000 K), diameter of 9,5 cm, lifespan 50000 h, energy label A, 1 piece in package
3,990 Ft
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Order Code: PHLS25027
RETLUX RLL 653 R50 E14 Spot 8W DL D - LED Bulb
2 variants
4.9 34×
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RETLUX RLL 653 R50 E14 Spot 8W DL D
LED Bulb - lamp cap E14, power input 8 W, 230 V, luminous flux 1080 lm, cool light (6500 K), lifespan 25000 h, energy label D, 1 piece in package
1,490 Ft
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Order Code: RTLX24068
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
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Order Code: PHLS26047
RETLUX RLL 458 R7S J118 8W LED COB WW - LED Bulb
2.4 19×
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RETLUX RLL 458 R7S J118 8W LED COB WW
LED Bulb - lamp cap R7s, power input 8 W, 230 V, luminous flux 900 lm, warm light, diameter of 1,6 cm, lifespan 15000 h, energy label F, 1 piece in package
Discounted -31 % 2,520 Ft 3,690 Ft
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Order Code: RTLX17116
RETLUX RFL 607 Filament G45 E14 miniglobe 4 W WW A - LED Bulb
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RETLUX RFL 607 Filament G45 E14 miniglobe 4 W WW A
LED Bulb - lamp cap E14, power input 4 W, 230 V, filament, luminous flux 840 lm, warm light (3000 K), diameter of 4,5 cm, lifespan 6,94 h, energy label A, 1 piece in package
Discounted -17 % 1,550 Ft 1,890 Ft
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Order Code: RTLX26012
Philips Smart LED WFB 40W P45 E14 922-65 RGB 1PF/6 - LED Bulb
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Philips Smart LED WFB 40W P45 E14 922-65 RGB 1PF/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 4,5 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
New arrival 5,390 Ft
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In stock 4 pcs
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Order Code: PHLS26075
Philips Classic A60, E27, 75 W, warm white, 2 pcs. - LED Bulb
2 colors
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Philips Classic A60, E27, 75 W, warm 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
3,790 Ft
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In stock > 5 pcs
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Order Code: PHLS26037
OSRAM SPC. T26/57, E14, 15W, 300 °C, matt - Oven Bulb
3.8 4×
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OSRAM SPC. T26/57, E14, 15W, 300 °C, matt
Oven Bulb - energy label G, power input 15 W, 230 V, Filament, luminous flux 85 lm, warm light (2700 K), diameter 2,6 cm, lifetime 1000 h
890 Ft
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Order Code: osra25114
Philips LED CLA A60 100W E27 WW CL ND UE - LED Bulb
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Philips LED CLA A60 100W E27 WW CL ND UE
LED Bulb - lamp cap E27, power input 7,3 W, 230 V, luminous flux 1535 lm, warm light (2700 K), diameter of 6 cm, lifespan 50000 h, energy label A, 3 in package
New arrival 8,690 Ft
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In stock 2 pcs
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Order Code: PHLS26093
Tesla GLOBE G95 VINTAGE, E27, 4, 2W, 230V, 380lm, 2400K, 360deg, gold - LED Bulb
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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
Discounted -35 % 2,460 Ft 3,840 Ft
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Order Code: TslLigh22_74
Philips Hue White Ambiance 5,1W E14 Drop 2 pcs - LED Bulb
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Philips Hue White 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 (2200 K), diameter of 19 cm, Bluetooth, compatible with Apple Home, Google Home, Tuya, Samsung SmartThings, Philips Hue, energy label F, 2 in package
New arrival 23,590 Ft
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In stock 1 pcs
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Philips Smart LED WFB 100W A60 E27 822-65 RGB 2PF/6 - LED Bulb
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Philips Smart LED WFB 100W A60 E27 822-65 RGB 2PF/6
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 12,5 W, 230 V, luminous flux 1521 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 E, 2 in package
New arrival 12,290 Ft
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In stock > 5 pcs
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Order Code: PHLS26080
Tesla LED tube, SMD technology, T8, G13, 1500mm, 24W, 230V, 3840lm, 4000K, milky - LED Lamp
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Tesla LED tube, SMD technology, T8, G13, 1500mm, 24W, 230V, 3840lm, 4000K, milky
LED Lamp
11,970 Ft
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In stock > 5 pcs
Order Code: TslLight25020
Philips LED CLA A60 100W E27 WW FR ND UE, 6 pcs - LED Bulb
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Philips LED CLA A60 100W E27 WW FR ND UE, 6 pcs
LED Bulb - lamp cap E27, power input 7,3 W, 230 V, luminous flux 1535 lm, warm light (2700 K), diameter of 6 cm, lifespan 50000 h, energy label A, 6 pc(s) in package
New arrival 17,290 Ft
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In stock 1 pcs
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Order Code: PHLS26097
OSRAM SPC. T25/57, E14, 10W, 300 °C, matt - pack of 2 - Oven Bulb
4.0 4×
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OSRAM SPC. T25/57, E14, 10W, 300 °C, matt - pack of 2
Oven Bulb - energy label G, power input 10 W, 230 V, Filament, luminous flux 30 lm, warm light (2700 K), diameter 2,5 cm, lifetime 1000 h, 2 pieces in the package
1,080 Ft
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In stock 4 pcs
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Order Code: osra25112
EMOS Classic MR16, GU10, 7 W (60 W), 800 lm, warm white, dimmable - LED Bulb
2 variants
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EMOS Classic MR16, GU10, 7 W (60 W), 800 lm, warm white, dimmable
LED Bulb - lamp cap GU10, power input 7 W, 230 V, luminous flux 800 lm, warm light (3000 K), diameter of 5 cm, lifespan 25000 h, energy label E, 1 piece in package
1,650 Ft
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In stock > 20 pcs
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Order Code: EMOS25196
RETLUX RLL 665 R63 E27 Spot 8W WW D - LED Bulb
2 variants
4.5 9×
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RETLUX RLL 665 R63 E27 Spot 8W WW D
LED Bulb - lamp cap E27, power input 8 W, 230 V, luminous flux 1080 lm, warm light (3000 K), lifespan 25000 h, energy label D, 1 piece in package
1,490 Ft
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In stock 3 pcs
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Info
Order Code: RTLX24069
Alza Days 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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