High Quality BL-FP180D / DE.5811116037-S Original Bulb/Lamp with Housing Compatible for OPTOMA ES522 EX532 DS317 DX617 TX532 ES526B DS219 -180 Days Warranty 100% compatible with the Original Lamp With Housing Quality projector bulb life expectancy: 2500-3000 Hours. Compatible for OPTOMA ES522/EX532/DS317/DX617/TX532/ES526B/DS219 Full 180 Day Warranty.