Factory Original Philips UHP bulb inside. Life Time (STD): 4000, Life Time (ECO): 6000.Our housing units are made from durable and high quality materials and are guaranteed to fit properly. Every country may have different time schedule on custom clearing which may take longer or shorter time to inspect your products. A unique serial number is assigned to each individual lamp. Serial number can be found on the packaging, housing, and actual bulb. The item "DELL 5100MP Projector Lamp with Philips OEM bulb inside 310-6896, 725-10046" is in sale since Tuesday, December 12, 2017. This item is in the category "Consumer Electronics\TV, Video & Home Audio\TV, Video & Audio Parts\Projector Lamps & Components". The seller is "wie7777" and is located in Walnut, California. This item can be shipped worldwide.