What is the maximum wattage for light bulbs I can use in the garage door opener?
You can use A19 incandescent bulbs with a maximum of 100W or compact fluorescent bulbs with a maximum of 26W (100W equivalent). Do not use halogen bulbs, short neck bulbs, specialty bulbs, or LED bulbs as these may overheat the end panel or reduce remote control performance. (Page 14)
From the official Chamberlain Chamberlain Garage Door Opener manual, page 14
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