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Collection LED MR 16 / 4 Watt / 30 watt Halogen replacement / 255 lumen / 6000k / 45 Degree Beam Angle / UL

  • UL listing
  • 30 Watt Equivalent
  • Daylight
  • 45 Degree Beam Angle
  • 40,000 Lifetime Hours

This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

The Collection LED CL-MR16-4W-C goes with the trend of green lighting and features 4W power consumption and an amazing 40,000 hour lifetime -- which is 10 to 20 times longer than halogen. Its Epistar diodes produce no UV-light which attracts insects and can damage fabric. Engineered to last, the polycarbonate lens is shatter-resistant and the aluminum heat-sink ensures efficient heat dissipation, making it possible for a long period of continuous running. 

  • newegg Great Savings This LED bulb produces a 25W halogen-equivalent lighting performance with 4W of power consumption -- which translates into a $22.08 saving per year running cost compared to halogen (based on a 24/7 running cycle at the rate of $1.81). The 40,000 hour lifespan further reduces the maintenance and replacement cost compared to the 2,000 to 4,000 hours of the halogen.
  • newegg Comfortable Lighting Fitted with Epistar diodes and high brightness tier-1 lighting technology, the Collection LED CL-MR16-4W-C delivers 255 lumens of cool white light with a 45° beam angle. The constant light stream with no high frequency flickering is easy on the eyes.
  • newegg Quality Build The polycarbonate lens is shatter-resistant and cool to the touch. Its 100% aluminum heat-sink prevents excessive heat buildup in the bulb and its surroundings.

Learn more about the Collection LED CL-MR16-4W-C


Collection LED


Wattage Equivalent
30 Watt Equivalent
Power Consumption
4 Watt
Light Appearance
Lumen Range
200 to 399
Lumen Output
Color Temp Range
5600 K to 6000 K
Color Temperature
Lifetime Hours
12 Volt


Energy Star
Beam Angle: 45 Degrees

Tier one Quality Epistar Diodes

Shatter Resistant

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years
  • Read full details

Customer Reviews of the Collection LED CL-MR16-4W-C

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  • Anonymous
  • 6/5/2015 11:59:21 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsStay away from these

Pros: None.

Cons: Bulbs flicker and hum. Mfg is completely unresponsive to calls (have to leave voicemail) and emails.

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  • John A.
  • 2/8/2015 10:03:52 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsLED MR16 4W 255L 6000K Lamp

Pros: Works AC or DC and at such a wide voltagerange makes designing your own power supply very easy and very cheap..

Works with battery as low as 7VDC at usable room illuminating brightness

Cons: Lamp metal heat sink edges are sharp.

The lamp runs hot when operating with the top-end voltages

Other Thoughts: The several I've bought have no "Blue" color issues, at either low or high voltages.

I replaced the halogen bulb in an emergency backup AC power-failure lighting unit and the output light is both brighter AND lasts 5X longer than with the old halogen lamp. It now lasts about 12 hours when main AC power fails, while providing enough light to read a book anywhere in the room (note: number of usable hours will depend on backup battery voltage and Amp-Hour ratings)

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  • Anonymous
  • 5/19/2014 11:07:25 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

1 out of 5 eggsBlues Clues

Pros: 4 watt bulb
Light weight...
Looks cool

Cons: oh gosh...where do I begin...
6000k light color should be reserved for car lights and nothing more... the light these bulbs put out are horrible!!!!!
The light color really dims the room you have them in. The color is so harsh that in daytime with the lights on all it does is make things blue.
I knew 6k light wasn't going to be pretty but the lumen output is just so bad they're literally like flashlights...

1 out of 3 people found this review helpful. Did you? Yes No

  • Anonymous
  • 2/15/2014 3:24:27 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

3 out of 5 eggsNOT a "daylight"

Pros: LED, 'nuff said. Low consumption, cool running and all

Cons: NOT "daylight"! They are COOL WHITE, NOT warm white.

1 out of 3 people found this review helpful. Did you? Yes No

  • Daniel S.
  • 2/5/2014 6:30:31 PM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsThese LEDS are awesome vs halogen

Pros: awesome light output on a string a parallel landscape lights. I wasn't expecting the brightness and the literally blinded me for a second.

Cons: a little deeper than MR16 halogen bulbs I bought at Lowe's. They are a tight fit into my housing, but still made it.

1 out of 1 people found this review helpful. Did you? Yes No

  • 12/7/2013 11:50:59 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsharsh

Pros: none

Cons: The light is too harsh, not daylight...practically bluish. The pins are finnicky and dont seat easily in my fixtures (Techlights). I am sending 2 out of four back , unfortunately I tossed the packaging fot the others

1 out of 3 people found this review helpful. Did you? Yes No

  • Roger R.
  • 12/1/2013 8:53:55 AM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsgreat led

Pros: very bright works great nice white light

Cons: none

Did you find this review helpful? Yes No

5 out of 5 eggsnice cool,beautiful light

Pros: Beats the halogen as far as "daylight" look as I have this on a 3.5" tall geode and it shines beautiful.

Cons: I bought this on a 2 for 1 deal and the seller only sent 1!,The light is great

Other Thoughts: if you use Halogen for lighting you will be simply impressed at an led's look on that same object at much less heat,energy use.
I have done lighting on many properties inside and out and in the past even made lighting fixtures for customers using led's because of their brilliance and am glad that Mfg's are starting to make all the lights I could not make.

1 out of 1 people found this review helpful. Did you? Yes No

  • Gregory A.
  • 10/15/2013 6:45:57 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsHORRIBLE

Pros: Who is writing LIES about these? The color is HORRIBLE, nothing close to the bright white halogen light that they state "these replace"!! It gives off a horrible BLUE light, making everything look off color and making your skin tone look like you are ILL! AVOID THESE AT ALL COSTS!

Cons: bright, but not equal to the wattage equivalent of a halogen.

1 out of 3 people found this review helpful. Did you? Yes No

  • Gregory T.
  • 8/5/2013 8:46:31 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsIt's a Light, does what it should...

Pros: Good spot lighting potential, fits most of the MR16 fixtures we have, provides equivalent light. I would purchase again.

Cons: Attracts spiders like nobody's business. Slight audible buzz from transformer when on (minus one star.) Very "directed" source light so not a wall washer.

Other Thoughts: Light temp is pretty sterile white, on the blue side.

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