Compatible Models: fit for Optoma HD143X HD243X HD27E HD39darbee UHD60 UHD30 UHD50 UHD50X UHD51 UHD51A UHD52ALV HD144X UHD300X UHD350X UHD370X UHD380X UHD40 UHD400X UHD420X UHD51ALVe UHD550X UHD65 HD270E HD27BE WU334 WU335 WU336 WU337 DH350 EH334 EH335 EH336 EH337 ^^ We have our own factory to produce projection lamps. You can get low-cost, high-quality projector replacement bulbs through us, it will provide your projector with a brighter and cleaner light source. ^^ All the projector bulbs produced in our factory have been strictly tested, so you can use it with confidence. ^^ The projector replacement lamp is very easy to install. After installation, you can enjoy the audio-visual feast. ^^ Every lamp we sell includes our famous 150-day guarantee. If you have any questions, please contact us in time, and we will provide you with satisfactory after-sales service.