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LED Lights

The latest and most efficient lighting technology. Their service life is remarkable - usually between 20,000 and 50,000 hours. LED lights also achieve high brightness with minimal energy consumption. A 9W LED bulb is equivalent to a 60W halogen lamp.

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LED technology

At the core, it is a semiconductor electronic component that has the ability to emit light or infrared and ultraviolet radiation. This makes it different from other diodes. Officially, it is called a light-emitting diode, or LED for short.

Advantages of LED technology

  • About ten times more efficient than a normal light bulb
  • More resistant against vibration and shocks
  • Can change light without filters
  • Service life several times longer than other lighting sources
  • Does not contain mercury
  • Switching it on and off repeatedly has no negative effects on its service life
  • The diode can be very small and can be fitted anywhere


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. You can usually find this type in ceiling or wall lighting fixtures or chandeliers.

      E14

      Has the same screw as E27. 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 socket 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 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. 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 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.

      GU4

      A threadless socket similar to other GU types. You’ve got two pins 1 mm in diameter and spaced 4 mm apart that you simply snap into the lamp. The pins must be at least 6 mm long.

      GX53

      This type is used in ceiling fixtures, floor lamps, or footings. The distance between the pins is 53 mm.

       

      General comparison chart

      This chart shows estimated power savings when using different types of light bulb technology. In direct comparison, LED is clearly the best option.

      Brightness 220 lm 400 lm 700 lm 900 lm 1300 lm
      Light source type          
      Incandescent bulb 25 W 40 W 60 W 75 W 100 W
      Halogen bulb 18 W 28 W 42 W 53 W 70 W
      Energy-efficient light bulb 6 W 9 W 12 W 15 W 20 W
      LED bulb 4 W 6 W 10 W 13 W 18 W

       

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      1,937 Results
      5.0
      Philips Hue White Ambiance 8,1W 1100 E27
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      42.90 €
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      Order Code: PHLS25081
      Philips Hue White Ambiance 6W 810 E27 2pcs
      LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 6 W, 230 V, luminous flux 800 lm (1000 K), Bluetooth, compatible with Apple Home, Google Home, Philips Hue, control via app in both Czech and English, lifespan 25000 h, energy label D, 2 in package
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      Order Code: PHLS25079
      4.0
      Philips Hue White 10W 1100 E27 2pcs
      LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 10 W, 230 V, luminous flux 1055 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, 2 in package
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      Order Code: PHLS25077
      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
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      Order Code: PHLS25075
      Philips Hue White 10W 1100 E27
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      Order Code: PHLS25076
      Philips Hue White 7W 810 E27 2pcs
      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, 2 in package
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      Order Code: RTLX25010
      Star Wars - Darth Vader lightsaber - decorative lamp
      Decorative Lighting - for Star Wars fans, lightsaber-shaped, glows red, switch on cable, height 64 cm
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      Order Code: Uko008
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      Decorative Lighting - for Star Wars fans, lightsaber-shaped, glows blue, switch on cable, height 63 cm
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      Star Wars - Luke Skywalker lightsaber - decorative lamp
      Decorative Lighting - for Star Wars fans, lightsaber-shaped, glows green, switch on cable, height 61 cm
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      IMMAX LUXLINE outdoor wall lamp 6W, 3000K, 240V, IP54, oak wood
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      Buy with code ALZADAYS40AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 40 % Rabatt mit dem Code ALZADAYS40AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 9.54 €
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      LED Light - power input 6 W, luminous flux 665 lm, warm light (3000 K) material: plastic, max. height 5 cm, width 12 cm, IP54
      Buy with code ALZADAYS40AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 40 % Rabatt mit dem Code ALZADAYS40AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 9.54 €
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      IMMAX LUXLINE outdoor wall lamp, 6W, 3000K, 240V, IP54, white
      LED Light - power input 6 W, luminous flux 665 lm, warm light (3000 K) material: plastic, max. height 5 cm, width 12 cm, IP54
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      LED Light - power input 6 W, luminous flux 665 lm, warm light (3000 K) material: plastic, max. height 5 cm, width 12 cm, IP54
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      5.0
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      Table Lamp - LED, power input 5 W, luminous flux 430 lm, neutral light, with switch, power plug, material: plastic
      Buy with code ALZADAYS15AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 15 % Rabatt mit dem Code ALZADAYS15AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 14.37 €
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      4.5
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      Order Code: RTLX25014
      RETLUX RTL 210 small, LED WW
      Table Lamp - LED, power input 2 W, luminous flux 160 lm, warm light, touch control, usb, material: metal
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      Order Code: RTLX25011
      5.0
      RETLUX RTL 208 for workbench, LED WW
      Table Lamp - LED, power input 4 W, luminous flux 350 lm, neutral light, touch control, power plug, material: aluminium
      Buy with code ALZADAYS15AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 15 % Rabatt mit dem Code ALZADAYS15AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 31.37 €
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      Order Code: RTLX25009
      5.0
      RETLUX RGL 122 solar, WW, CW, DL
      Garden Lighting - column, LED, material: plastic, solar power supply, IP44
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      Order Code: RTLX25013
      IMMAX SUN SEE outdoor solar wall light 4000K, IP44, 900 lm, PIR
      LED Light - power input 2 W, luminous flux 900 lm, neutral light (4000 K) motion sensor, material: plastic, max. height 14,8 cm, width 22,3 cm, IP44
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      4.0
      IMMAX SUN DOWN outdoor solar wall light, 4000K, IP44, 900 lm, PIR
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      Order Code: IMMX25056
      5.0
      IMMAX SUN EASY outdoor solar wall light, 4000K, IP44, 20 lm
      LED Light - power input 0,5 W, luminous flux 20 lm, neutral light (4000 K) material: plastic, max. height 16,2 cm, width 9,8 cm, IP44
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      Expected 04/06/2026
      Order Code: IMMX25055
      In the category LED Lights on Alza.at, we currently have a total of 1937 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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