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Collection LED MR 16 / 4 Watt / 25 watt Halogen replacement / 255 lumen / Warm white / 3500k / 40,000 hr / 3 yr warranty

  • 30 Watt Equivalent
  • 40,000 Lifetime Hours
  • Warm White
  • 2inches in diameter and 2 inches height
  • Generally used for track light fixtures
  • Bi-pin base
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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A great placement of 25-watt halogen, the Collection LED CL-MR16-4W-W goes with the trend of green lighting with 4-watt power consumption and amazing 40,000-hour life time, which is 10-20 times longer than Halogen. Its Epistar diodes produce no UV light that attracts insects, or may damage fabric & materials. Engineered to last, the polycarbonate lens is shatter resistant and aluminum heat sink ensures efficient heat dissipation, making it possible for long period of continuous running.

  • newegg Great Saving This LED bulb produces 25-watt halogen equivalent lighting performance with 4-watt power consumption, which translates to $22.08 saving on year running cost compared to halogen. (Based on a 24x7 running with the rate of $0.12) The 40,000hr life span further reduces the maintenance and replacement cost compared to 2,000hr ~ 4,000hr of the halogen.
  • newegg Comfortable Light Fitted with Epistar diodes - the high brightness tier 1 lighting technology, the Collection LED CL-MR16-4W-W delivers 250 lumens of warm white light with 45-degree beam angle. The constant light stream with no high frequency flickering is easy for the eyes.
  • newegg Quality Build Polycarbonate lens is shatter resistant & cool to touch. 100% aluminum heat-sink prevents excessive heat buildup in the bulb & its surrounding.

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


Collection LED


Wattage Equivalent
30 Watt Equivalent
Power Consumption
4 Watt
Light Appearance
Warm White
Lumen Range
200 to 399
Lumen Output
Color Temp Range
3400 K to 3900 K
Color Temperature
Lifetime Hours
12 Volt


Energy Star
Beam Angle: 45 Degrees

Tier one Quality Epistar Diodes

Shatter Resistant


Quick Info


  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years

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

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  • Ryan A.
  • 1/9/2014 12:05:24 AM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

2 out of 5 eggs

Pros: * They produce light and I'm sure they will last a long time.
* These use very little power. (Untested)
* They won't burn you touching them while they are on.

Cons: * The light these give off is a pale purple color.
* The housing was larger than expected.
* Expensive

Other Thoughts: The color these produce is a fairly ugly pale purple color. It is a far cry off from the 'Warm White" that is advertised. They stick out like a sore thumb compared to the halogens they replaced.

While I picked these up "on sale", they still were not cheap either.

Unless you value energy savings over all else, I can't think of a reason to buy these. My old halogen lights were cheaper and produced much more pleasing looking light.

If you don't care about the 'warmness' of the light these produce, they seem 'OK'. If you want "warm" light, these are not what you are looking for at all.

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  • Bryan M.
  • 3/23/2013 11:20:28 AM
  • Tech Level: Low
  • Ownership: less than 1 day

4 out of 5 eggsRebate? limit !1!

Pros: nicely focused and bright

Cons: sale price is great if you don't mind filing online for a check by mail, but instructions warn you'll only get that rebate for the 1st bulb of the group you buy.

Other Thoughts: Rebate for vidcards allow two per purchase (SLI/CrossFire pair)...who's only going to swapOut just 1 halogen bulb in the row for this LED?

1 out of 2 people found this review helpful. Did you? Yes No

  • Yu y.
  • 7/23/2012 3:34:04 PM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsExcellent Brightness

Pros: Really love this bulb. Bought one for testing, definitely will buy more.

Cons: None

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  • Allen W.
  • 7/16/2012 11:15:35 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

3 out of 5 eggsToo Long

Pros: Looks well built. Speedy Newegg shipping. Good price on this week's sale.

Cons: Too Long! The bulb is probably 3/8 inch longer than a standard MR16 bulb and did NOT fit in the outdoor 12-volt landscape lighting housing I intended to try it out in. Plugs in the socket fine but the extra length prevents putting the glass lens and ring back on the fixture to make it weatherproof.

Other Thoughts: I was really excited to find what would have been a great energy efficiency improvement for the total of 7 bulbs I run adding up to 200 watts. I was all set to buy another 6 bulbs if this one looked good and that would have taken me down to 28 watts and provided a pretty quick payback on my electricity savings as these lights run all night on a flagpole and trees. Guess I'll keep looking and pay attention to the dimensions (which were not listed for this bulb) next time. Just trying to be green.

2 out of 2 people found this review helpful. Did you? Yes No

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