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ALZO 15W Joyous Light Full Spectrum CFL Light Bulb 5500K, 750 Lumens, 120V, Pack of 4, Daylight White Light

3.9 out of 5 stars 201 customer reviews
| 22 answered questions

Price: $16.52
Sale: $10.98 ($2.75 / count) & FREE Shipping on orders over $49. Details
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  • 15W with 750 Lumens output
  • 5500K color temperature daylight balanced
  • Fits all medium base sockets E26/E27
  • Great reading and task light bulb

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$10.98 ($2.75 / count) & FREE Shipping on orders over $49. Details In Stock. Sold by ALZO Digital and Fulfilled by Amazon.

Frequently Bought Together

  • ALZO 15W Joyous Light Full Spectrum CFL Light Bulb 5500K, 750 Lumens, 120V, Pack of 4, Daylight White Light
  • +
  • ALZO 27W Joyous Light Full Spectrum CFL Light Bulb 5500K, 1300 Lumens, 120V, Pack of 4, Daylight White Light
Total price: $25.48
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Technical Details

  • Not Dimmable

Compare to Similar Items


This item: ALZO 15W Joyous Light Full Spectrum CFL Light Bulb 5500K, 750 Lumens, 120V, Pack of 4, Daylight White Light
Customer Rating 4 out of 5 stars (201) 4 out of 5 stars (593) 4 out of 5 stars (698) 4 out of 5 stars (252)
Price $10.98 $14.50 $8.49 $32.61
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By ALZO Digital ALZO Digital H- Discover ALZO Digital
Color Temperature 5500 Kelvin 5500 Kelvin 5000 Kelvin 5500 Kelvin
Item Package Weight 0.85 pounds 1.5 pounds 0.55 pounds 2.45 pounds
Item Shape Spiral Spiral Anjou Spiral
Light Source Compact Fluorescent Light (CFL) Compact Fluorescent Light (CFL) Compact Fluorescent Light (CFL) Compact Fluorescent Light (CFL)
Wattage 15 Watts 27 Watts 14 Watts 45 Watts
Add to Cart Add to Cart Add to Cart Add to Cart

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Product Description

Product Description

15 watt fluorescent light bulb, bright white, daylight 5500K color temperature and 750 Lumens output. The Joyous Light bulbs are daylight balanced, i.e., their brightness is equal or very close to daylight. Customers praise the bulb's brightness that makes reading texts easy on the eyes; they are also used as task light or grow light bulbs. This is an energy-saving bulb with about 10,000 hours bulb life. Fits all medium-base E27/E26 sockets. Dimensions: Length: 5 inches; Diameter: 1.5 inches. Pack of 4. Important: ALZO CFL bulb life is based on the bulb in an open air upright orientation. When ALZO bulbs are installed in fixtures that lack adequate ventilation, the life of the bulb will be reduced. If an ALZO CFL bulb is installed in an overhead recessed light fixture with the bulb glass below the base, the life of the bulb will be greatly reduced.

From the Manufacturer

woman holding bulb
Seasonal Affective Disorder illustration

TREATMENT OF SEASONAL AFFECTIVE DISORDER

ALZO Joyous Light Full spectrum lights are frequently used to treat S.A.D., or Seasonal Affective Disorder, aka Winter Blues. SAD is a medical condition created by the lack of quality light that occurs during winter months, particularly in northern areas. People affected by SAD benefit from the exposure to Joyous Light full spectrum light on a regular basis, and this is a proven method to help treat S.A.D. The pioneer of research in this field is Dr. Norman Rosenthal, the author of the book Winter Blues.

woman reading in bright light

THE PERFECT READING LIGHT

ALZO Joyous Light is an ideal reading light. It reduces eye strain and fatigue and therefore it helps you retain the content of the material you are reading. If you read for pleasure or assignment you will appreciate the improvement with Joyous Light.

man operating drilling machine in bright light

AN EXCELLENT TASK LIGHT

When your work includes precision and accuracy, ALZO Joyous Light improves visual acuity. Joyous Light is a crisp white light and it is recommended for machine operators, mechanics, and other professionals, and for sewing, cooking and many other tasks.

woman painting on an easel in bright light

PREFERRED ARTIST WORK LIGHT

Artists, painters and colorists love Joyous Light for its ability to accurately render colors. If you work with color you need a light source that is color neutral, and ALZO Joyous Light is an excellent colorist work light.


Product Information

Technical Details

Part Number 1855-55-04-JL
Item Weight 13.6 ounces
Product Dimensions 6.2 x 4.5 x 4.4 inches
Item model number 1855-55-04-JL
Shape Spiral
Voltage 120 volts
Wattage 15 watts
Item Package Quantity 1
Type of Bulb Compact Fluorescent Light (CFL)
Luminous Flux 750
Special Features Not Dimmable

Additional Information

ASIN B0089MIH8I
Customer Reviews
3.9 out of 5 stars 201 customer reviews

3.9 out of 5 stars
Best Sellers Rank #8,326 in Home Improvements (See top 100)
#30 in Industrial & Scientific > Industrial Electrical > Lighting Components > Light Bulbs > Compact Fluorescent Bulbs
Shipping Weight 13.6 ounces (View shipping rates and policies)
Domestic Shipping Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First Available February 29, 2008

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
The ALZO light bulbs are great. These 15 watt (equivalent to a normal 60 watt) were just what I was looking for. I had already replaced most of the lightbulbs in my house with the slightly larger ALZO 27 watt bulbs, but I had a couple of light fixtures that the 27 watt bulbs were too big for. Thankfully ALZO released these smaller 15 watt bulbs. The fact that these bulbs are full-spectrum (5,500K) lights makes all the difference in the world. All the positive things the other reviews have stated is true. The full-spectrum bulbs reduce glare and eye strain along with maintaing accurate colors.

Another thing I did was to trick my sleep pattern using these lights. My bedroom faces west and even then the only window is blocked by another building. Sunlight does not begin to enter my bedroom until well past 11:00AM, so if I relied on the morning sun to wake me up I would always think 11:00AM is 7:00AM. I changed out my main lamp in my bedroom to one of these full-spectrum lights and added a timer to turn the lamp on everyday at 7:00AM. I could not tell a difference with the full-spectrum light coming on at 7:00AM from real sunlight entering my room at 11:00AM. After many different attempts I have finally been able to reset my circadian rhythm back to a normal 7:00AM morning thanks to the ALZO full-spectrum bulbs.
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Verified Purchase
I bought these for my plant stand which has my spider plant and orchid, which don't get much sunlight during the day. I went on vacation and put the lamp on a timer to see how the plants would react. When I came back my there was a spider baby shoot IN the lamp shade and my orchid was blooming! I was shocked! I also like that the light is WHITE because my wall colors are shades of gray and blue so the light brings out their true color. I have included a side by side comparison. They light bulbs are both CFL, but one is a soft white and the other is the Joyous light. It also has the right amount of brightness that I'm not squinting when i first turn it on.
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By Rainne on April 12, 2013
Verified Purchase
At first this was a shocking adjustment (pardon the pun) but after a few minutes, I got used to how brilliantly daylight bright it was and started to love it. The light is clean and clear, unlike the yellowish light you get off "soft-white" bulbs, and even though I keep overusing the word, it makes every room REALLY BRIGHT. As someone who suffers from Seasonal Affective Disorder, this was FANTASTIC for me, because being in a room that's sort of dingy or dimly lit for hours at night is really depressing. These bulbs really help with that.

Keep in mind, though, that these bulbs are physically quite a bit larger than regular light bulbs. They likely will poke out of your light fixtures. Think about that if it is an issue for you (it's not for me - I don't care as long as there's light). However it DOES mean that they will not be suitable for some lamps because of the shape of the lampshades.
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Verified Purchase
I bought these for my bathroom, over my mirror. Since I put my makeup here, I wanted a more natural light so I wasn't surprised when I left my house and went out into the real world...LOL Although some might find these a harsh wake-up call first thing in the morning, I actually like it, and the light IS very natural looking. Not yellowing like regular light bulbs.

I've seen reviews where people say it take a while for the bulb to come on. I have not had that experience. The bulbs come on as soon as the switch is flipped. I'm very happy with these bulbs. If you're looking to use them for a bathroom, I'd say to go with the 15w.
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Verified Purchase
These bulbs are awesome & I would highly recommend them to anyone who is on the fence about them. I get bummed out every winter because it's cold & dark where I live so I thought I would replace my standard bulbs with these in order to simulate more of a natural daylight vibe. I stay up all night working on music each winter so I don't see much light period. These lifted my mood almost instantly & helped get my circadian rhythms back into balance a bit as I turn them on immediately after waking up.

Not a miracle product, but definitely brightens up whatever light you put them in. You can't get vitamin D or anything like that from this light so it isn't a substitute for SAD light therapy, but it's great for brightening up your spot.
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Verified Purchase
SAD = Seasonal Affected Disorder

I've been feeling (subjectively) better since installing this bulb in my computer room for the winter. Good price, and it comes on at nearly full brightness without the warmup that I've seen with other bulbs. Recommended.
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Verified Purchase
Before finding these bulbs, I was reading reviews on higher wattage bulbs from the same manufacturer which talk about how big the bulbs are. That is not the case here, they are pretty much the same size as a standard incandescent. I was hoping they'd be a little bit brighter, but they're not bad. They are very white but it is a slightly different white from the " day light" kind which can be very sterile. If you look directly at the bulb, the white looks the same, but when you see how the room looks it is different, so I'd recommend it. Bumbs lit up to full brightness instantly and with no flickering.
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