You never know when your projector's bulb might fail, so it's smart to carry a back-up on business trips or keep a spare one in the presentation facility. This replacement bulb from Dell™ is a life-saver, if your projector's bulb burns out. This durable bulb will give you up to 2500 in Eco-Mode hours of excellent, crisp and clear brightness. This product has been tested and validated for your Dell Projector. It is supported by Dell Technical Support when used with a Dell projector.