**********For UHP240-170W 0.8 E 20.7 Premium Projector Lamp Bulb with Housing*****Fit for OPTOMA UHD300X, UHD40, UHD400X, UHD50, UHD51, UHD51/A, UHD51A, UHD550X, UHD60, UHD65*****The Professional Replacement Lamp Provides Clear And Bright And Sharp Pictures For Home Theater, School Presentation, Business Meeting etc *****is Responsible For All The Item Descriptions And Coming With 180 Days Warranty And Lamp Lifetime About 2000-3000hours*****All Lamps Will Be Test Before Delivery, All Messages Will Be Respond Within 24hours, Excellent Return Service And Friendly Customer Service