This Sony Replacement Lamp, KF-WE50S1, KF-WE50A1, KF-WE42S1, KF-WE42A1, restores your television or projector to its original performance. It's easy to install and conveniently comes with a module and housing, which protects the lamp until you're ready to start using it. With this compatible projector lamp replacement, the images on your screen will be crisper and more vivid, providing a superior viewing experience when you watch TV or give a presentation.