CTLAMP PRJ-RLC-015 Rlc-015 Replacement Lamp With Housing For Viewsonic Pj502/ Pj552/ Pj562 Type: brand New compatible projector Lamp with housing Part Number: PRJ-RLC-015 Compatible machine model: for ViewSonic Pj502/ Pj552/ Pj562 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