AWO SP-LAMP-017 Compatible Bulb Inside Replacement Lamp with Housing for INFOCUS LP540 LP640 SP50000 LS5000 ScreenPlay 5000;ASK C160 C180 KNOLL HD225 PROXIMA DP5400x DP6400x AWO Premium Quality Projector Lamp with Housing Fit for INFOCUS LP540 LP640 SP50000 LS5000 ScreenPlay 5000;ASK C160 C180 KNOLL HD225 PROXIMA DP5400x DP6400x 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