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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
Philips Classic GU10, 50 W, warm white, 6 pcs. - LED Bulb
2 colors
5.0 1×
Philips Classic GU10, 50 W, warm white, 6 pcs.
LED Bulb , power input 4,6 W, 230 V, luminous flux 355 lm, diameter of 5 cm, lifespan 15000 h, energy label F, 6 pc(s) in package - 780 Ft/ks
New arrival 4,690 Ft
Buy
On the way > 5 pcs
Expected 08/06/2026
Order Code: PHLS26034
Govee Smart RGBWW 5W-50W, 450 lm, E14, Long Life Matter, 2 pcs - LED Bulb
5.0 3×
Govee Smart RGBWW 5W-50W, 450 lm, E14, Long Life Matter, 2 pcs
LED Bulb - smart, lamp cap E14 - lamp cap E14, power input 4,8 W, 230 V, luminous flux 450 lm (2700 K), diameter of 3,8 cm, WiFi 2,4 GHz and Bluetooth, compatible with Apple Siri shortcuts, Google Home, Samsung SmartThings, GOVEE Home, control via app in English, lifespan 25000 h, energy label F, 2 in package - 5,400 Ft/ks
10,790 Ft
Buy
On the way > 5 pcs
Expected 19/06/2026
Order Code: Govee25012
AlzaPower LED 9-60W, E27, 2700K, set of 6 - LED Bulb
4 variants
4.8 396×
AlzaPower LED 9-60W, E27, 2700K, set of 6
LED Bulb , power input 9 W, 230 V, luminous flux 820 lm, warm light (2700 K), diameter of 6 cm, lifespan 25000 h, energy label F, 6 pc(s) in package - 530 Ft/ks
Great price 3,190 Ft
Buy
On the way > 5 pcs
Expected 12/10/2026
Order Code: APWLED-0003
AlzaPower LED 9-60W, E27, R63, 2700K, set of 2 - LED Bulb
4.7 19×
AlzaPower LED 9-60W, E27, R63, 2700K, set of 2
LED Bulb - lamp cap E27, power input 9 W, 230 V, luminous flux 820 lm, warm light (2700 K), diameter of 6,3 cm, lifespan 25000 h, energy label F, 2 in package - 1,050 Ft/ks
Great price 2,090 Ft
Buy
On the way 2 pcs
Expected 08/06/2026
Order Code: APWLED-0011c
IMMAX NEO LITE Smart 3x LED bulb E14 6W RGB+CCT colour and white, dimmable, WiFi, P45 - LED Bulb
4.3 10×
IMMAX NEO LITE Smart 3x LED bulb E14 6W RGB+CCT colour and white, dimmable, WiFi, P45
LED Bulb - smart, lamp cap E14 - lamp cap E14, power input 6 W, 230 V, luminous flux 470 lm, adjustable light temperature (2700-6500 K), diameter of 4,5 cm, WiFi 2,4 GHz, compatible with Apple Siri shortcuts, Tuya, Lidl Home, Immax NEO PRO, control via app in both Czech and English, lifespan 25000 h, energy label F, 3 in package - from 2,490 Ft/ks
from  7,460 Ft
depending on the number of items
Buy
Ordered on request
Order Code: IMXX21388
EMOS Smart LED bulb GoSmart MR16 GU10 4,8 W (35 W) 400 lm RGB dimmable Wi-Fi - LED Bulb
4.0 27×
EMOS Smart LED bulb GoSmart MR16 GU10 4,8 W (35 W) 400 lm RGB dimmable Wi-Fi
LED Bulb - smart, lamp cap GU10 - lamp cap GU10, power input 4,8 W, 230 V, luminous flux 400 lm, adjustable light temperature (2700-6500 K), diameter of 5 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 G, 1 piece in package
Discounted -8 % 2,910 Ft 3,190 Ft
Buy
Ordered on request
Order Code: HM521b5
Philips Hue White and colour Ambiance Light Guide E27 Ellipse - LED Bulb
5.0 8×
Philips Hue White and colour Ambiance Light Guide E27 Ellipse
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 6,5 W, 230 V, luminous flux 500 lm, adjustable light temperature (2000-6500 K), diameter of 18,5 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
42,590 Ft
Buy
Ordered on request
Order Code: PHL22034
IMMAX NEO Smart set 3x bulb LED E27 11W RGB+CCT colour and white, dimmable, Zigbee 3.0 - LED Bulb
3.5 13×
IMMAX NEO Smart set 3x bulb LED 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, 3 in package - 3,840 Ft/pcs
11,530 Ft
Buy
Ordered on request
Order Code: IMXX21378
Philips Hue White Filament 7W E27 G125 - LED Bulb
4.4 5×
Philips Hue White Filament 7W E27 G125
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 7 W, 230 V, luminous flux 550 lm (2100 K), diameter of 12,5 cm, Bluetooth, compatible with Apple Home, Google Home, Philips Hue, control via app in both Czech and English, lifespan 15000 h, energy label G, 1 piece in package
19,290 Ft
Buy
Ordered on request
Order Code: PHL20047
IMMAX NEO LITE E27 11W RGB+CCT, colour and white, WiFi - pack of 3 - LED Bulb
4.2 30×
IMMAX NEO LITE E27 11W RGB+CCT, colour and white, WiFi - pack of 3
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 and Bluetooth, compatible with Apple Siri shortcuts, Tuya, Lidl Home, Immax NEO PRO, control via app in both Czech and English, lifespan 25000 h, energy label F, 3 in package - 2,820 Ft/pcs
8,450 Ft
Buy
Ordered on request
Order Code: IMMX_21_24
IMMAX NEO LITE E27 9W RGB+CCT, colour and white, WiFi - pack of 3 - LED Bulb
4.0 15×
IMMAX NEO LITE E27 9W RGB+CCT, colour and white, WiFi - pack of 3
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 and Bluetooth, compatible with Apple Siri shortcuts, Tuya, Samsung SmartThings, Lidl Home, Immax NEO PRO, control via app in both Czech and English, lifespan 25000 h, energy label F, 3 in package - 2,760 Ft/pcs
8,290 Ft
Buy
Ordered on request
Order Code: IMMX_21_25
IMMAX NEO LITE Smart set 3x LED bulb G9 4W CCT, dimmable, WiFi, TUYA - LED Bulb
5.0 3×
IMMAX NEO LITE Smart set 3x LED bulb G9 4W CCT, dimmable, WiFi, TUYA
LED Bulb - smart, lamp cap G9 - lamp cap G9, power input 4 W, 230 V, luminous flux 400 lm, adjustable light temperature (2700-6500 K), diameter of 1,8 cm, WiFi 2,4 GHz and Bluetooth, compatible with Apple Siri shortcuts, Tuya, Lidl Home, Immax NEO PRO, control via app in both Czech and English, lifespan 25000 h, energy label E, 3 in package - 4,960 Ft/ks
Discounted -7 % 14,890 Ft 16,090 Ft
Buy
Ordered on request
Order Code: IMMX23_28
IMMAX NEO GU10 4,8W RGB+CCT, colour and white, Zigbee - pack of 3 - LED Bulb
5.0 1×
IMMAX NEO GU10 4,8W RGB+CCT, colour and white, Zigbee - pack of 3
LED Bulb - smart, lamp cap GU10 - lamp cap GU10, power input 4,8 W, 230 V, luminous flux 400 lm, adjustable light temperature (2700-6500 K), diameter of 5 cm, compatible with Apple Siri shortcuts, Tuya, Lidl Home, Smartlife, Nedis SmartLife, Manufacturer app, control via app in both Czech and English, lifespan 25000 h, energy label G, 3 in package - from 3,540 Ft/ks
from  10,610 Ft
depending on the number of items
Buy
Ordered on request
Order Code: IMMX24039
EMOS DECO SMOKED G125, E27, 4,5 W (19 W), 180 lm, flame - LED Bulb
3.0 2×
EMOS DECO SMOKED G125, 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 12,5 cm, lifespan 25000 h, energy label G, 1 piece in package
5,190 Ft
Buy
Ordered on request
Order Code: EMOS25188
Philips Hue LG Triangle - LED Bulb
Philips Hue LG Triangle
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, Google Home, Samsung SmartThings, Philips Hue, control via app in both Czech and English, lifespan 25000 h, energy label G, 1 piece in package
42,590 Ft
Buy
Ordered on request
Order Code: PHLS24_005
EMOS DECO CG125A, E27, 4,5 W (24 W), 240 lm, flame - LED Bulb
5.0 1×
EMOS DECO CG125A, E27, 4,5 W (24 W), 240 lm, flame
LED Bulb - lamp cap E27, power input 4,5 W, 230 V, filament, luminous flux 240 lm, warm light (1800 K), diameter of 12,5 cm, lifespan 25000 h, energy label G, 1 piece in package
7,890 Ft
Buy
Ordered on request
Order Code: EMOS25180
Philips Hue White 7W 810 E27 4pcs - LED Bulb
Philips Hue White 7W 810 E27 4pcs
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 7 W, 230 V, luminous flux 806 lm, adjustable light temperature (2700-2700 K), Bluetooth, compatible with Apple Home, Google Home, Philips Hue, control via app in both Czech and English, lifespan 25000 h, energy label E, 4 in package
21,990 Ft
Buy
Ordered on request
Order Code: PHLS25075
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
7,890 Ft
Buy
Ordered on request
Order Code: EMOS25184
IMMAX NEO LITE 3x Smart bulb LED E27 9W RGB+CCT, dimmable, WiFi, Beacon, DO - LED Bulb
2.6 5×
IMMAX NEO LITE 3x Smart bulb LED E27 9W RGB+CCT, dimmable, WiFi, Beacon, DO
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 and Bluetooth, compatible with Apple Siri shortcuts, Google Home, Tuya, Lidl Home, Smartlife, Nedis SmartLife, Immax NEO PRO, control via app in both Czech and English, lifespan 25000 h, energy label F, 3 in package - from 2,900 Ft/ks
from  8,710 Ft
depending on the number of items
Buy
Ordered on request
Order Code: IMXX2346
Rabalux SMD-LED 79231 - LED Bulb
Rabalux SMD-LED 79231
LED Bulb - lamp cap E27, power input 16 W, 230 V, luminous flux 1600 lm, adjustable light temperature (3000-6500 K), diameter of 23 cm, lifespan 25000 h, energy label F, 1 piece in package
10,990 Ft
Buy
Ordered on request
Order Code: Rbx26092
EMOS T22, E14, 15 W, 58 lm, 300 °C - Oven Bulb
EMOS T22, E14, 15 W, 58 lm, 300 °C
Oven Bulb
850 Ft
Buy
Ordered on request
Order Code: EMOS26015
EMOS DECO SMOKED G95, E27, 4,5 W (19 W), 180 lm, flame - LED Bulb
EMOS DECO SMOKED G95, 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 9,5 cm, lifespan 25000 h, energy label G, 1 piece in package
4,590 Ft
Buy
Ordered on request
Order Code: EMOS25187
EMOS DECO G130SRA, E27, 4 W (22 W), 220 lm, flame - LED Bulb
EMOS DECO G130SRA, E27, 4 W (22 W), 220 lm, flame
LED Bulb - lamp cap E27, power input 4 W, 230 V, filament, luminous flux 220 lm, warm light (1800 K), diameter of 13 cm, lifespan 25000 h, energy label G, 1 piece in package
10,590 Ft
Buy
Ordered on request
Order Code: EMOS25183
EMOS DECO G130OA, E27, 4 W (22 W), 220 lm, flame - LED Bulb
EMOS DECO G130OA, E27, 4 W (22 W), 220 lm, flame
LED Bulb - lamp cap E27, power input 4 W, 230 V, filament, luminous flux 220 lm, warm light (1800 K), diameter of 13 cm, lifespan 25000 h, energy label G, 1 piece in package
9,990 Ft
Buy
Ordered on request
Order Code: EMOS25182
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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