Significantly reduced remote control range when mounted on Chamberlain (Lift Master) PD752D. 2 stars for lightbulbs; very bright and excellent white light - no problem with that - but rf interference is not reduced enough to work with this opener model which is very common and has only been around for a few years. YMMV, as many people only use the remote when their car pulls up in front of the garage door; In my app I use it remotely. If you only use the remote 12 feet away, you probably won't notice a difference. Gave them back. UPDATE 8/30/18: Torchstar CS contacted me based on this review and offered to refund the bulbs. Added 1 star for exceptional customer support, but in the end (based on my experience and similar reviews) bulbs may not work for the Chamberlain/Lift Master opener. So the lamps put out a lot of light (good LEDs) and their customer support is excellent, but they may not deliver what they promise in Chamberlain devices. I really appreciate that they agreed to compensate the bulbs for the hassle. UPDATE 9/13/18: This may help any folks with Chamberlain/Lift Master openers trying to find the right LED bulbs: I've tried MANY different types/brands of LED bulbs. , including the few Chamberlain recommended - found "Ecosmart" 100W Fluorescent Bulbs (non-dimmable/A19/13W/1575lm/5000K) (@ HomeDepot) best solution so far - no noticeable interference/range reduction and the best/brightest light. Hope that helps!
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