You never know when your projectors bulb might fail, so its smart to carry a backup on business trips or keep a spare one in the presentation facility. This replacement bulb from Dell8482; is a lifesaver, if your projectors bulb burns out. This durable bulb will give you approximately 2500 hours of excellent, crisp and clear brightness. This product has been tested and validated for your Dell8482; Projector. It is supported by Dell8482; Technical Support when used with a Dell projector. This product includes the following parts Replacement Bulb and Instructions Manual.