AWO RLC-079 Compatible Replacement Bulb Fit for VIEWSONIC PJD7820HD PJD7822HDL AWO Compatible Replacement Lamp Bulb Fit for VIEWSONIC PJD7820HD,PJD7822HDL The Professional Replacement Lamp Provides Clear And Bright And Sharp Pictures For Home Theater, School Presentation, Business Meeting etc AWO 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