Compatible Models: for Optoma W412 X412 EH412 EH412ST EH412STx HD39HDR HD39HDRx GT1080HDR GT1080HDRx UHD30 UHD35 UHD35+ UHD35x UHD38 UHD38x UHD42 UHD50 UHD50X UHD55 UHD300X UHD35STx UHD380x UHD506 UHD508 UHD550X UHD3000a for BL-FU245A/BL-FU240E/SP. 7G6R1GR01/SP. 78V01GC01/SP. 7FM01GC01 ^^ LMP-H projectors'bulbs are made of the highest quality materials and have the same functions as your original bulbs. They are perfectly matched and compatible with your projector ^^ All projector bulbs are equipped with enclosures instead of bare bulbs. Our bulbs feature an optimized filament design, which helps prevent the machine from overheating or experiencing abnormal temperatures, thereby protecting the bulbs and the projector ^^ When installing a new light bulb, wait for the old bulb in the projector to cool down before replacing it. And you need to be aware of the connector make sure it connected well ^^ If you have any questions, we will be happy to answer them. Thank you