These are good retrofit lamps. Easy enough to install. The clamps are different than my old ones but they work. I have a warm white 300K and they are way better than the CREEs I've replaced which are 5 years old and make a buzz and shimmer. it drove me crazy from day one. These lights do not flicker or buzz. i love these lights YAY. Pretty good price. Update: 1 day old and one is already broken :( Loose wires inside the block that I can't put back in the connector. &b They're already in the ceiling (and I miscalculated the first time so I got one got replacements on my way) but then one of the wires popped out after i installed it and it worked makes me think they aren't that good at least i can contact you in that situation revain will replace but I have to pull the fixings out of the blanket and repack then send it back big hassle for 1 broken as it came in a pack of 4. if I could contact them I wouldn't change the rating to 1 star as the lights are good but no contact and loose wiring makes me suspicious now, and this is also a Revains Choice product.
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