Optoma HD180 Projector Cage Assembly with Original Projector Bulb Inside Optoma HD180 Lamp with Original Osram P-VIP Projector Bulb Genuine OEM Osram P-VIP projector bulb OEM specified  designed specifically to fit Optoma HD180 180-day warranty for Assembly purchased from BulbAmerica 100% identical lamp as originally used in Optoma HD180