CTLAMP Projector Replacement Lamp for Infocus SP-LAMP-009 / SP4800 / X1 / X1A / C109 w/Housing Type: High Quality Compatible lamp with Housing Part number: SP-LAMP-009 Model number: for Infocus SP4800 / X1 / X1A / C109 Up to 2000 (normal) / 2500(economy) hours Life Guarantee: 30 days Refund & 120 days Warranty; Professional customer service support. Any other problems with the projector lamp, please contact us