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I'm replacing incandescents in my bathroom with these. They are not warm enough for my general living space, but are sufficient for the bathroom where relaxing light is less important. If you like daylight, or bright white lights, these are going to be great for you. If you want to see every detail of your face and you have lights over the mirror, these (perhaps unfortunately) work great for that too!
If you want more yellow light that is similar to incandescents, I recommend the Philips Warm White 800 Lumens 2700K. QTY 4 / Philips Ambient LED Light Bulb Dimmable 60 Watt Replacement Warm White (2700K) 800 Lumens You can dim the Philips, while the Samsung LED cannot be dimmed. The light is more natural and even fills a room better than incandescents.
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After my CFL light bulbs all started to die, I really did not want to go back to an incandescent bulb. Too much energy. This was the best deal I found on the internet for price of LED bulbs. I have placed these in fixtures over the bathroom mirrors, and they are immensely bright! Perfect for makeup! And they light up the entire bathroom! I also used one to replace a bulb in my ceiling fan. They are much brighter than the CFL's, in my opinion, and cost less to operate! Great investment!
This is my second time purchasing from this supplier, and I highly recommend them. The packaging for the shipment was excellent. Bulbs were individually boxed in retail cardboard and each protected in a thin layer of bubblewrap. The extra space in the box was taken up by 100% recyclable "air bubble" packaging. Well done! I will continue to buy from this supplier. Thanks!
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Lighting Ever 7W White LED bulb
These are cool white LED bulbs, with a rated color temperature of 6000K (replicates the color of sunlight). The power consumption is rated at 7W, and the light output is listed as 630 lumens on the box. As we all know, LED lighting is very directional so it is typically aimed at a certain direction versus CFL or incandescent which spreads out. Therefore, there is a white aspherical lens/diffuser on this A19 bulb that helps spread it out, but it is still rather directional. My Kill A Watt confirmed the power consumption to be 7.1W.
These are generally recommended for recessed lighting, although I am using a pair of these in my bathroom which has a vertical light fixture aimed straight down. I will be straightforward. I LOVE the 4000K-6500K color temperature spectrum. The first time I flicked these on in the bathroom, I thought I suddenly had a new skylight because it felt like the sun was right over my head. The cool white also has much better color reproduction, in other words, it reflects the true colors of objects and skin. The warm lighting hides everything.
I absolutely despise the "warm" light from incandescents (2700K) or halogen (3200K) for a number of reasons. The human eye is designed to receive light most effectively between 4000k-5000K, anything above 6500K starts to run into diminishing returns and looks more purple. Car headlamps used to be dingy yellow (2700K) and then halogens were about 3200K. The earliest HIDs were 4000-4300K which looks more white. The latest HIDs and LED headlights on cars are in the 5000K-6000K range and are FAR more effective in lighting. I see that there is still a lot of people that demand warm LEDs for their homes and I am bewildered as to why they want that inferior lighting other than aesthetics.
Studies have shown that cool white lighting (such as the 4000k-6000K color temperature of sunlight) can reduce Seasonal Affective Disorder (SAD). I've used cool white CFLs in my house for well over a year and prefer it over warm lighting. The cool white doesn't hurt my eyes, and I always feel like I am sitting under the sun.
These LED bulbs easily cut the energy consumption by half when compared to CFLs. Doing some math, just using these for a year would result in savings that offset the cost of the LED bulbs, which is very nice. These do produce some heat, but LEDs produce heat on the emitter side and not at the light source or diffuser. In other words, the heatsink gets very hot so watch your hands. LEDs technically work better when cold, but I actually worked on LED headlights for the automotive market and we found that LED headlights produced more light output when they were heated up but not necessarily overheated. In arctic environments, the light output was actually less.
Overall: 5/5 stars, I wanted to buy more of these but they're out of stock. I'd like to see more light output and the cool white (6000K) color temperature is perfect. I despise warm white (anything below 4000K).
UPDATE: 29 AUG 2013
These LED bulbs are still working after several months. I noticed that bugs are not attracted to the light like they are towards CFLs and incandescents/halogens.
Honest reviews on Lighting EVER 7W A19 LED Bulb, High Performance Samsung LED
I am delighted to replace CFBs (compact florescent bulbs) with LEDs!!! No more mercury and cool bulbs to the touch. What great technology.
I prefer the higher-end CRI (color rating index) bulbs, because I don't like yellow light and I love white light. So make sure you look at the bulb description to see if it says warm white (yellow light) or daylight (whiter) or cool white (whiter).
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Update After using the bulbs for two weeks, one of the three I bought stopped working. Amazon has a good return policy, but I had to pay for shipping back to Amazon, which I am not very happy about. I would not buy these.
Original Review -
I waited a while before jumping on the LED bandwagon because the technology was still new and the price was prohibitive. I finally decided to try these bulbs, and replaced 3 CFL's in one lighting fixture. I am happy to report that I am very pleased with the look, feel, and lighting provided by these bulbs, and will be ordering more to replace the lights I use often.
I had a chance to e-mail the manufacturer and they were always prompt in replying to my questions. I believe I found a quality product, backed by a good company, and a very good price point.