After much research I decided on these bulbs based on customer reviews and specifications. the box is impressive. The build quality is excellent. They are all metal which is nice. The installation was as I expected after reading the reviews, but with one correction. The headlights aren't hard to get clips through the hole. I waited to buy a hole saw until I had it in my hands. Buy a 3 1/4 hole saw and you'll be fine. As stated in other reviews, junction boxes are a whole different story. Once the box is connected, it's almost impossible to get through the hole. Hey flashlight, put the end caps on the junction box and I won't have any complaints. I bought the lowest powered 2700 colors and they are as light as halogens. They have a CRI of 90+ so the color is really nice. I connected them to a standard Lutron dimmer and they dim without flickering. I run mine completely blacked out and they look fantastic. When they're on, they take a second to turn on. I believe they designed a driver that protects the bulbs and allows dimming. The same driver probably protects the bulbs by turning them on when cold. Overall I am very satisfied and would recommend them to anyone.
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