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Diolamp LED Bulb 28W 175mm for Socket E27 and Shape P99 Natural White 2500lm
LED Bulbs

Diolamp LED Bulb 28W 175mm for Socket E27 and Shape P99 Natural White 2500lm Code: P9928NW

The Diolamp P9928NW LED bulb, with a P99 shape and an opal cover, emits neutral white light. It uses an SMD LED chip and has an E27 base.

  • Power: 28 W
  • Voltage: 230 V AC
  • Luminous flux: 2970 lm
  • Beam...

The Diolamp P9928NW LED bulb, with a P99 shape and an opal cover, emits neutral white light. It uses an SMD LED chip and has an E27 base.

  • Power: 28 W
  • Voltage: 230 V AC
  • Luminous flux: 2970 lm
  • Beam angle: 220°
  • Light color: Neutral white
  • Color temperature: 4000 K
  • Color rendering index (CRI): Ra80
  • Protection rating: IP65
  • Lifespan: 40000 hours
  • LED chip type: SMD...
See full description See full description

Top specs

See all

  • Temperature

    4000

    Color temperature refers to how warm or cool the color is. The warmth of light is measured in Kelvin.

    The lower the Kelvin value, the more yellow the shades; the higher the value, the more blue the shades.

    Low color temperatures of 2700-3000K provide warm lighting, intermediate temperatures of 4000-5000K provide daylight, and high color temperatures of 5000-6500K provide cool lighting.

  • Color

    Natural White

    The natural white is similar to daylight.

  • Lumen

    2500

    Lumens measure the amount of light produced by an LED lamp. The more lumens a lamp has, the brighter it is. 

  • Power

    The power refers to the amount of electrical energy consumed by a bulb when it is operating.

    2. It is measured in watts and determines how bright the light will be.

    3. For example, a three-bulb LED fixture that requires 15 watts can fully illuminate a room of approximately 10 square meters.

  • Application

    The application has to do with the bulb socket that is compatible with the light fixture's receptacle.

    E27
  • Shape P99

  • Size

    It concerns the size of the bulb and is important for compatibility/placement in the fixture. Before purchasing, ensure that the size, in addition to the fitting/socket of the bulb, is compatible with your fixture.

Colour temperature

  1. Warm White

    from 4,28 €

  2. Natural White

    from 4,86 €

  3. Cool White

    from 4,70 €

4 86 €
Delivery by Wed, 11 Nov
14,00 €   shipping cost
Sent from Greece
From Designdrops 4.6 (72)
4.6 (72 reviews)
Greece
2 pieces
See Light Bulbs on the page of Designdrops

Shop selection criteria

Why do we recommend buying from this shop?

We don’t only look at the price. We weigh different factors to find an offer that combines a good price, fast delivery and a reliable purchase.

  • Product price

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  • Shipping & delivery time

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  • Shop reliability

    We look at how often shops complete their orders successfully and how consistently they serve their customers.

  • Official reseller

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Reviews (13)

Reviews

4.0
13
4.0
Review this product
  1. 7
  2. 2
  3. 2
  4. 1
  5. 1
Review this product
  • Light intensity
  • Value for money
  • Durability
  • Construction quality

What do users say? AI-generated summary

Users generally appreciate the very bright, cool-toned light and good value for money. The bulb is considered suitable for brightly lighting rooms, even as the only light in a kitchen. However, its longevity gets mixed reviews: some bulbs stopped working or began flickering sooner than expected, and it is also noted to be bulky.

Reviews by our members

  • user01user
    5
    user01user

    Verified purchase

    I don't know if the stated intensity is true, but it is definitely high. I can't comment on the lifespan because they still haven't been used enough.

    Translated from Greek ·
    • Light intensity
    • Construction quality
    • Value for money
    Did you find this review helpful?
  • Z57gonidakis
    4
    Z57gonidakis

    Verified purchase

    Short test period of only two months, very good light for its price. Recommended with reservations due to limited experience.

    Translated from Greek ·
    • Light intensity
    • Durability
    • Value for money
    • Construction quality
    Did you find this review helpful?
  • atragas
    3
    atragas

    Verified purchase

    Bright, lively light that wakes you up!
    It worked as the only light fixture in a kitchen (since 19/10/2019).
    The plastic casing came loose twice and was reattached with glue.
    Today (25 months later) it started flickering like a flash and disconnected.
    The 4000 hours (as stated) were not achieved. I estimate about 2500 (3-4 hours daily).

    Translated from Greek ·
    Did you find this review helpful?
  • jotis69
    5
    1 out of 1 members found this review helpful
    jotis69

    Verified purchase

    This review is about the colour temperature: Warm White

    I got 3. I put one on the PPC pole (it is inside my property) because who would bother to change the bulb. And I had put the previous one there too. This one has a long lifespan and turned night into day.

    Translated from Greek ·
    Did you find this review helpful?
  • george.kapnitis
    5
    1 out of 1 members found this review helpful
    george.kapnitis

    Verified purchase

    This review is about the colour temperature: Warm White

    For the money, it is very good. Bright and with the right lighting color. Its durability over time will show whether it is value for money.

    Translated from Greek ·
    Did you find this review helpful?
  • Nikos_Smyrnioudis
    2
    2 out of 2 members found this review helpful
    Nikos_Smyrnioudis

    Verified purchase

    Good brightness. Very large dimensions
    It lasted me about 500 hours of operation. No relation to the duration stated in the specifications

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    1 out of 2 members found this review helpful
    gkassem

    Verified purchase

    This review is about the colour temperature: Warm White

    - Very bright, very strong light,
    - It is very good, it has a lot of light and is very economical in terms of money

    Translated from Greek ·
    Did you find this review helpful?
  • 4
    stayros73ofi4

    Verified purchase

  • 3
    Vagelis_bar

    Verified purchase

    This review is about the colour temperature: Cool White

  • 1
    The-SaiNT

    Verified purchase

    This review is about the colour temperature: Cool White

    • Light intensity
    • Durability
    • Construction quality
    • Value for money
  • 5
    [email protected]

    Verified purchase

    This review is about the colour temperature: Cool White

    • Light intensity
    • Durability
    • Construction quality
    • Value for money
  • 5
    giotisa1976

    Verified purchase

    This review is about the colour temperature: Cool White

    • Light intensity
    • Durability
    • Construction quality
    • Value for money
  • 5
    elel.manos

    Verified purchase

    This review is about the colour temperature: Cool White

    • Light intensity
    • Construction quality
    • Value for money
  • user01user
    5
    user01user

    I don't know if the stated intensity is true, but it is definitely high. I can't comment on the lifespan because they still haven't been used enough.

    Translated from Greek ·
    0
  • Z57gonidakis
    4
    Z57gonidakis

    Short test period of only two months, very good light for its price. Recommended with reservations due to limited experience.

    Translated from Greek ·
    0
  • atragas
    3
    atragas

    Bright, lively light that wakes you up!
    It worked as the only light fixture in a kitchen (since 19/10/2019).
    The plastic casing came loose twice and was reattached with glue.
    Today (25 months later) it started flickering like a flash and disconnected.
    The 4000 hours (as stated) were not achieved. I estimate about 2500 (3-4 hours daily).

    Translated from Greek ·
    0
  • jotis69
    5
    jotis69

    I got 3. I put one on the PPC pole (it is inside my property) because who would bother to change the bulb. And I had put the previous one there too. This one has a long lifespan and turned night into day.

    Translated from Greek ·
    1
  • george.kapnitis
    5
    george.kapnitis

    For the money, it is very good. Bright and with the right lighting color. Its durability over time will show whether it is value for money.

    Translated from Greek ·
    1
  • See all
Product report

Description & Specifications

The Diolamp P9928NW LED bulb, with a P99 shape and an opal cover, emits neutral white light. It uses an SMD LED chip and has an E27 base.

  • Power: 28 W
  • Voltage: 230 V AC
  • Luminous flux: 2970 lm
  • Beam angle: 220°
  • Light color: Neutral white
  • Color temperature: 4000 K
  • Color rendering index (CRI): Ra≥80
  • Protection rating: IP65
  • Lifespan: 40000 hours
  • LED chip type: SMD
  • Base: E27
  • Shape: P99
  • Size: 175 mm
  • Cover: Opal
  • Energy class: F
  • Quantity: 1

Manufacturer

Manufacturer Details

Warnings & Safety Information
Product Number
P9928NW

Main Specifications

Power
28 W

Power

The power refers to the amount of electrical energy consumed by a bulb when it is operating.

2. It is measured in watts and determines how bright the light will be.

3. For example, a three-bulb LED fixture that requires 15 watts can fully illuminate a room of approximately 10 square meters.
Application
E27

Application

The application has to do with the bulb socket that is compatible with the light fixture's receptacle.

E27
Voltage
220 V

Voltage

The voltage of the bulb is measured in volts and the majority of bulbs operate at 220 volts.

2. In some cases, bulbs have a transformer with a voltage of 12 volts, 24 volts, or 42 volts.

3. To be sure, we examine what is written on the old bulb that we have removed.

220

Bulb powered by the mains electricity network.
Lumen
2500 lm

Lumen: 2500


Lumens measure the amount of light produced by an LED lamp. The more lumens a lamp has, the brighter it is. 
Beam Angle
220 °

Beam Angle

The beam angle refers to the surface covered by the lamp with light in the space.

2. The larger the value of the angle, the larger the surface it covers in the space.
Colour Temperature
Natural White

Colour Temperature

Natural White

The natural white is similar to daylight.
Colour Temperature
4000 K

Colour Temperature

4000

Color temperature refers to how warm or cool the color is. The warmth of light is measured in Kelvin.

The lower the Kelvin value, the more yellow the shades; the higher the value, the more blue the shades.

Low color temperatures of 2700-3000K provide warm lighting, intermediate temperatures of 4000-5000K provide daylight, and high color temperatures of 5000-6500K provide cool lighting.
IP Rating
IP65

IP Rating

It is an indicator that shows us the degree of protection of the LED lamp. The indicator (I) refers to protection against dust and the indicator (P) refers to the degree of waterproofness. The higher the numbers for each indicator, the better the protection.

2. Generally, lamps with an IP65 rating and above are waterproof and work well in outdoor conditions. Additionally, if it has not been certified for something, the "X" is used.

IP65
The IP65 rating indicates that it is fully protected against dust and does not allow water that is projected with significant force (e.g. high-pressure hose).
Shape
P99
Size
175mm

Size

It concerns the size of the bulb and is important for compatibility/placement in the fixture. Before purchasing, ensure that the size, in addition to the fitting/socket of the bulb, is compatible with your fixture.
Pieces
1 pcs
Opal (Milky)
Yes

Features & Functions

Filament
No

Filament

The indoor lamp has a filament shape for a more retro aesthetic.
Dimmable
No

Dimmable

The lamp has a brightness adjustment, from the lowest illumination to the highest intensity.

2. There are 2 ways to achieve this feature, either with a wall dimmer or with a remote control for the lamp.
Photocell
No

Photocell

The lamp features a sensor that activates when the lighting in the room is reduced.

2. It is ideal for spaces that require steady lighting during the night or outdoor applications.
Motion Sensor
No

Motion Sensor

The lamp has a sensor that activates when there is movement in the area.

They are ideal for parking lots, underground passages, garages, warehouses, public spaces, and building facades.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Reviews (13)

4.0
13
4.0
Review this product
  1. 7
  2. 2
  3. 2
  4. 1
  5. 1
Review this product
  • Light intensity
  • Value for money
  • Durability
  • Construction quality

What do users say? AI-generated summary

Users generally appreciate the very bright, cool-toned light and good value for money. The bulb is considered suitable for brightly lighting rooms, even as the only light in a kitchen. However, its longevity gets mixed reviews: some bulbs stopped working or began flickering sooner than expected, and it is also noted to be bulky.

Reviews by our members

  • user01user
    5
    user01user

    Verified purchase

    I don't know if the stated intensity is true, but it is definitely high. I can't comment on the lifespan because they still haven't been used enough.

    Translated from Greek ·
    • Light intensity
    • Construction quality
    • Value for money
    Did you find this review helpful?
  • Z57gonidakis
    4
    Z57gonidakis

    Verified purchase

    Short test period of only two months, very good light for its price. Recommended with reservations due to limited experience.

    Translated from Greek ·
    • Light intensity
    • Durability
    • Value for money
    • Construction quality
    Did you find this review helpful?
  • atragas
    3
    atragas

    Verified purchase

    Bright, lively light that wakes you up!
    It worked as the only light fixture in a kitchen (since 19/10/2019).
    The plastic casing came loose twice and was reattached with glue.
    Today (25 months later) it started flickering like a flash and disconnected.
    The 4000 hours (as stated) were not achieved. I estimate about 2500 (3-4 hours daily).

    Translated from Greek ·
    Did you find this review helpful?
  • jotis69
    5
    1 out of 1 members found this review helpful
    jotis69

    Verified purchase

    This review is about the colour temperature: Warm White

    I got 3. I put one on the PPC pole (it is inside my property) because who would bother to change the bulb. And I had put the previous one there too. This one has a long lifespan and turned night into day.

    Translated from Greek ·
    Did you find this review helpful?
  • george.kapnitis
    5
    1 out of 1 members found this review helpful
    george.kapnitis

    Verified purchase

    This review is about the colour temperature: Warm White

    For the money, it is very good. Bright and with the right lighting color. Its durability over time will show whether it is value for money.

    Translated from Greek ·
    Did you find this review helpful?
  • Nikos_Smyrnioudis
    2
    2 out of 2 members found this review helpful
    Nikos_Smyrnioudis

    Verified purchase

    Good brightness. Very large dimensions
    It lasted me about 500 hours of operation. No relation to the duration stated in the specifications

    Translated from Greek ·
    Did you find this review helpful?
  • 5
    1 out of 2 members found this review helpful
    gkassem

    Verified purchase

    This review is about the colour temperature: Warm White

    - Very bright, very strong light,
    - It is very good, it has a lot of light and is very economical in terms of money

    Translated from Greek ·
    Did you find this review helpful?
  • 4
    stayros73ofi4

    Verified purchase

  • 3
    Vagelis_bar

    Verified purchase

    This review is about the colour temperature: Cool White

  • 1
    The-SaiNT

    Verified purchase

    This review is about the colour temperature: Cool White

    • Light intensity
    • Durability
    • Construction quality
    • Value for money
  • 5
    [email protected]

    Verified purchase

    This review is about the colour temperature: Cool White

    • Light intensity
    • Durability
    • Construction quality
    • Value for money
  • 5
    giotisa1976

    Verified purchase

    This review is about the colour temperature: Cool White

    • Light intensity
    • Durability
    • Construction quality
    • Value for money
  • 5
    elel.manos

    Verified purchase

    This review is about the colour temperature: Cool White

    • Light intensity
    • Construction quality
    • Value for money
  • user01user
    5
    user01user

    I don't know if the stated intensity is true, but it is definitely high. I can't comment on the lifespan because they still haven't been used enough.

    Translated from Greek ·
    0
  • Z57gonidakis
    4
    Z57gonidakis

    Short test period of only two months, very good light for its price. Recommended with reservations due to limited experience.

    Translated from Greek ·
    0
  • atragas
    3
    atragas

    Bright, lively light that wakes you up!
    It worked as the only light fixture in a kitchen (since 19/10/2019).
    The plastic casing came loose twice and was reattached with glue.
    Today (25 months later) it started flickering like a flash and disconnected.
    The 4000 hours (as stated) were not achieved. I estimate about 2500 (3-4 hours daily).

    Translated from Greek ·
    0
  • jotis69
    5
    jotis69

    I got 3. I put one on the PPC pole (it is inside my property) because who would bother to change the bulb. And I had put the previous one there too. This one has a long lifespan and turned night into day.

    Translated from Greek ·
    1
  • george.kapnitis
    5
    george.kapnitis

    For the money, it is very good. Bright and with the right lighting color. Its durability over time will show whether it is value for money.

    Translated from Greek ·
    1
  • See all
4,86 €
14,00 €   shipping cost