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Halers H4 Pro 550 5.2W Adjustable LED Downlight

Halers H4 Pro 550 5.2W Adjustable LED Downlight

Product-code: H4PRO550

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£40.82 Incl. VAT (£34.02 Excl. VAT)
RRP. £64.80 Save 37%

The Halers H4 Pro 550 is an adjustable IP65 LED downlight from Collingwood, with a light output ranging from 550 to 580 lumens depending on the ... more info

1 Select Finish
One of the best ways to choose the right finish is to make sure that your new downlights match other items in the room. Perhaps you've got brushed steel switches, sockets and door handles? Then brushed steel downlights would be a great match.

Polished chrome is popular for bathrooms as it matches taps and other bathroom equipment.

But matt white is our most popular finish as it blends less noticeably into the ceiling.

2 Select Beam Angle
Need help with choosing the right beam angle? Follow this link here to learn about beam angles.

3 Select Colour Temperature
Most of the LED lights we offer are available in the big 3 colour temperatures which are:

2700K - Extra warm white has a warmer tone, like a halogen, although not quite as orange.

3000K - Warm white is a mid range colour tone. Not as orange as 2700K and not as harsh as 4000K. This is the most popular colour temperature.

4000K - Cool white (or neutral white), although clearer and slightly brighter than the others, it can make a room feel cold and clinical. Used correctly in the right environment it can make a room appear more modern.

If you're unsure about colour temperatures we have colour temperature adjustable downlights available. These downlights contain multiple colour temperatures that can be changed either by a dip switch, wall switch or App. More information about them can be found here.

If you want a brighter light then choose something with more lumens. The brightness difference in colour temperatures is barely 5%.

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The Halers H4 Pro 550 is an adjustable IP65 LED downlight from Collingwood, with a light output ranging from 550 to 580 lumens depending on the selected colour temperature. These LED downlights are dimmable and fire rated as standard. With a new and improved energy efficiency of just 5.2W, the H4 Pro 550 has superseded the H4FF 8.5W downlight.

The H4 Pro 550 is compact in size, at just 50mm in depth it's ideally suited for those pesky shallow ceiling voids. It's also rated at IP65 meaning it can be used in bathroom zones 1 and 2, even directly above a shower!

Available in a choice of beam angles, colour temperatures and finishes. It comes with Collingwoods T connector system which speeds up wiring times.


  • Wattage: 5.2W / Comparable to a 50W GU10 halogen with 90% energy savings.
  • Life expectancy: 70,000 hours or 30+ years if used for 6 hours per day.
  • Colour temperature options: Warm white 3000K / cool white (also known as neutral white) 4000K.
  • Lumens: 580 cool white / 550 warm white
  • Voltage: 100-240V via LED driver supplied with each downlight.
  • Double Insulated
  • Dimmable: Yes, dimmable as standard.
  • LED driver included: Yes, this comes as a complete fitting and includes a built in LED module.
  • Fire rated: Yes, tested for 30,60 and 90 minute ceilings.
  • Insulation coverable
  • Adjustable: Yes
  • IP rating: IP65
  • Beam angle: Available in 38 or 70 degree beam angles
  • Tilt angle: ±20°
  • Guarantee: 7 Years
  • Energy efficiency rating: A+
  • Manufacturer: Halers / Collingwood Lighting


  • Polished chrome
  • Brushed steel
  • Matt white

Product reviews for Halers H4 Pro 550 5.2W Adjustable LED Downlight (10)
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4.9 / 5
Calculated from 10 reviews
5 out of 10 reviews :

Quality is good it remains to be seen whether the longevity lives up to expectations

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angled ceiling in kitchen replacing old lights with larger cut out - needs 45 degree angle to achieve vertical downward direction of light (otherwise partly in your eyes). Otherwise quality good but so it should be as even with your good discount each were some *** for larger bezels.

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The quality of the product is excellent

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Good quality product - bought just one to see what they were like and will now buy more Only one disappointing point is that although the units are only 55mm high they need a 100mm cavity depth according to the data sheet. I only have 70mm in one room so will need to source some from other brands

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Swivel for bathroom...ideal

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  • Rim diameter: 90mm
  • Depth 50mm. Compact LED downlight, ideal for shallow ceiling voids.
  • Cut out: 64-72mm.
  • Tilt angle: ±20°

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Warm White 3000K 38 Degree
  • DLT4353830+RB442BS - Brushed steel
  • DLT4353830+RB442CR - Polished chrome
  • DLT4353830+RB442MW - Matt white

Warm White 3000K 70 Degree

  • DLT4357030+RB442BS - Brushed steel
  • DLT4357030+RB442CR - Polished chrome
  • DLT4357030+RB442MW - Matt white
Cool White 4000K 38 Degree

  • DLT4353840+RB442BS - Brushed steel
  • DLT4353840+RB442CR - Polished chrome
  • DLT4353840+RB442MW - Matt white

Cool White 4000K 70 Degree

  • DLT4357040+RB442BS - Brushed steel
  • DLT4357040+RB442CR - Polished chrome
  • DLT4357040+RB442MW - Matt white

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