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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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RETLUX RLL 669 G9 6W LED dimmable WW
LED Bulb - lamp cap G9, power input 6 W, 230 V, luminous flux 600 lm, warm light (3000 K), lifespan 15000 h, energy label F, 1 piece in package
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EMOS Smart LED bulb GoSmart candle E14 4,8 W (40 W) 470 lm RGB dimmable Wi-Fi - LED Bulb
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EMOS Smart LED bulb GoSmart candle E14 4,8 W (40 W) 470 lm RGB dimmable Wi-Fi
LED Bulb - smart, lamp cap E14 - lamp cap E14, power input 4,8 W, 230 V, luminous flux 470 lm, adjustable light temperature (2700-6500 K), diameter of 3,7 cm, WiFi 2,4 GHz, compatible with Tuya, Lidl Home, EMOS GoSmart, control via app in both Czech and English, lifespan 20000 h, energy label F, 1 piece in package
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EMOS Classic A60, E27, 13 W (100 W), 1521 lm, neutral white - LED Bulb
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EMOS Classic A60, E27, 13 W (100 W), 1521 lm, neutral white
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Philips Hue White Ambiance 7W 550 Filament G125 E27 - LED Bulb
4.9 8×
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Philips Hue White Ambiance 7W 550 Filament G125 E27
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 7 W, 230 V, filament, luminous flux 550 lm, adjustable light temperature (2200-4500 K), diameter of 12,5 cm, Bluetooth, compatible with Apple Home, Philips Hue, control via app in both Czech and English, energy label G, 1 piece in package
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RETLUX RLL 419 GU10 bulb 9W DL - LED Bulb
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RETLUX RLL 419 GU10 bulb 9W DL
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EMOS Filament candle, E14, 5,9 W (60 W), 806 lm, warm white - LED Bulb
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EMOS Filament candle, E14, 5,9 W (60 W), 806 lm, warm white
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EMOS Led bulb Classic JC 4W G9 warm white
LED Bulb - lamp cap G9, power input 4 W, 230 V, luminous flux 470 lm, warm light (3000 K), diameter of 1,9 cm, lifespan 30000 h, energy label E, 1 piece in package
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OSRAM 20X1, G4, 10W, 64418 OVEN, 450 °C, clear - Oven Bulb
5.0 6×
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OSRAM 20X1, G4, 10W, 64418 OVEN, 450 °C, clear
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EMOS Filament candle A CLASS, E14, 3,8 W (60 W), 806 lm, neutral white - LED Bulb
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EMOS Filament candle A CLASS, E14, 3,8 W (60 W), 806 lm, neutral white
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EMOS Smart LED bulb GoSmart MR16 GU10 4,8 W (35 W) 400 lm RGB dimmable Zigbee
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4.9 42×
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Solight LED Spotlight, GU10, 5W, 4000K
LED Bulb - lamp cap GU10, power input 5 W, 230 V, luminous flux 425 lm, neutral light (4000 K), diameter of 5 cm, energy label F, 1 piece in package
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IMMAX NEO Smart LED bulb E27 11W RGB+CCT colour and white, dimmable, Zigbee 3.0 - LED Bulb
3.7 56×
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IMMAX NEO Smart LED bulb E27 11W RGB+CCT colour and white, dimmable, Zigbee 3.0
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, compatible with Apple Siri shortcuts, Tuya, Lidl Home, Philips Hue, 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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RETLUX RLL 446 T120 E27 bulb 40W WW - LED Bulb
4.8 27×
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RETLUX RLL 446 T120 E27 bulb 40W WW
LED Bulb - lamp cap E27, power input 40 W, 230 V, luminous flux 4300 lm, warm light, diameter of 12 cm, lifespan 25000 h, energy label F, 1 piece in package
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3.0 1×
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Govee Smart bulb G80 RGBWW 5 - 40 W 500 lm E27 Long Life, Matter
Bulb - E27 socket
11,290 Ft
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EMOS Filament A60 A CLASS / E27 / 5 W (75 W) / 1 060 lm / neutral white, 3 pcs - LED Bulb
10+ variants
4.8 434×
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EMOS Filament A60 A CLASS / E27 / 5 W (75 W) / 1 060 lm / neutral white, 3 pcs
LED Bulb - lamp cap E27, power input 5 W, 230 V, luminous flux 1060 lm, neutral light (4000 K), diameter of 6 cm, lifespan 50000 h, energy label A, 3 in package
from  6,110 Ft
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Order Code: HM521b19
Philips Hue White Ambiance 7W 550 Filament E27 - LED Bulb
5.0 23×
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Philips Hue White Ambiance 7W 550 Filament E27
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 7 W, 230 V, filament, luminous flux 550 lm, adjustable light temperature (2200-4500 K), diameter of 6 cm, Bluetooth, compatible with Apple Home, Philips Hue, control via app in both Czech and English, lifespan 15000 h, energy label G, 1 piece in package
15,190 Ft
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Order Code: PHL21020
Philips Hue White 5,5W GU10 set 2pcs - LED Bulb
4.9 18×
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Philips Hue White 5,5W GU10 set 2pcs
LED Bulb - smart, lamp cap GU10 - lamp cap GU10, power input 5,2 W, 230 V, luminous flux 400 lm, warm light (2700 K), diameter of 5 cm, Bluetooth, compatible with Apple Home, Google Home, Philips Hue, control via app in both Czech and English, lifespan 25000 h, energy label E, 2 in package
from  15,330 Ft
depending on the number of items
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Order Code: PHL18146
RETLUX RLL 460 G9 3,3W LED WW - LED Bulb
4.5 8×
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RETLUX RLL 460 G9 3,3W LED WW
LED Bulb - lamp cap G9, power input 3,3 W, 230 V, luminous flux 330 lm, warm light, diameter of 1,7 cm, lifespan 15000 h, energy label F, 1 piece in package
1,880 Ft
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Order Code: RTLX17128
WiZ colours 75W E27 G95 - LED Bulb
4.9 13×
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WiZ colours 75W E27 G95
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 11 W, 230 V, luminous flux 1055 lm, adjustable light temperature (2200-6500 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
6,790 Ft
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Order Code: WiZ21014
Philips Hue White 9.5W 1100 E27 starter kit - LED Bulb
2 colors
4.9 22×
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Philips Hue White 9.5W 1100 E27 starter kit
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 9,5 W, 230 V, luminous flux 1100 lm, warm light (2700 K), diameter of 6,1 cm, Bluetooth, compatible with Apple Home, Philips Hue, control via app in both Czech and English, lifespan 25000 h, energy label F, 3 in package
42,790 Ft
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In stock > 5 pcs
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Order Code: PHL21010
Xtend Home XTH-LED-E2711T - LED Bulb
3.4 5×
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Xtend Home XTH-LED-E2711T
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 11 W, 240 V, luminous flux 1050 lm, warm light, diameter of 6 cm, WiFi 2,4 GHz, compatible with Tuya, control via app in Czech, lifespan 25000 h, energy label F, 1 piece in package
4,590 Ft
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In stock 3 pcs
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Order Code: Xtend25017
EMOS Filament A60 A CLASS / E27 / 3,8 W (60 W) / 806 lm / warm white, 3 pcs - LED Bulb
10+ variants
4.8 434×
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EMOS Filament A60 A CLASS / E27 / 3,8 W (60 W) / 806 lm / warm white, 3 pcs
LED Bulb - lamp cap E27, power input 3,8 W, 230 V, luminous flux 806 lm, warm light (2700 K), diameter of 6 cm, lifespan 50000 h, energy label A, 3 in package
6,190 Ft
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In stock > 10 pcs
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Order Code: HM521b13
OSRAM SPC.T26/57, E14, 25W, 300 °C, clear - Oven Bulb
4.7 30×
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OSRAM SPC.T26/57, E14, 25W, 300 °C, clear
Oven Bulb - E14 socket
Great price 390 Ft
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In stock > 50 pcs
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Order Code: EDd21sy3
AlzaPlus+ deals 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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