MP7640i Replacement Lamp for 3M Projectors 78-6969-9463-7 MP7640i Replacement Lamp for 3M Projectors 78-6969-9463-7 Compatible Models:  MP7640iCompatible Part Numbers:  78-6969-9463-7, DT00511, DT00521All projector lamps come with a 90 day warranty. Please Note:-Buyer pays PayPal.-Free domestic shipping is by USPS First Class Mail.-All orders placed by 3:00PM EST, ship same day Monday-Friday.-USPS tracking email will follow the evening of shipment.-International buyers, USPS First Class International can take up to 45 days to arrive. Faster options are available during checkout.-Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility.-Please check with your country's customs office to determine what these additional costs will be prior to looking or buying.