You never know when your projector lamp might fail, so it's smart to have one on hand for your Planar PR3010, PR3020, or PR5020 Multimedia Projector. You can carry it as a back-up on business trips or keep it as a spare at your office. It's a sure-fire presentation saver if your bulb burns out. This durable replacement lamp will give you up to 4000 amazing hours of clear, crisp brightness at 2500 ANSI lumens. Don't get caught in the dark.