For BL-FS180C Compatible Projector Lamp with Housing for Optoma Theme-s Hd640 Hd65 Hd700x Projector by Mogobe Part number: BL-FS180C For Optoma Theme-S Hd640 Hd65 Hd700x Projector 30 days refund & 180 days replacement Mogobe is responsible for all the item descriptions and warranty.