This high-quality lamp bulb is perfect for use with slide projectors and movie projectors. It has a voltage of 120V and a power of 300W, making it a reliable and bright projection light. The bulb is compatible with a range of brands, including ektagraphic, mast, carousel, For ELMO, specialist, slide cube, For Singer, autoload, For Kodak, bright light, telex, gavi, and Bell + Howell. With its Philips brand, you can trust that this lamp bulb is made to last and provide high-quality projection. It's perfect for use in film photography and slide and movie projection. Buy with confidence and create stunning projections with this reliable and bright lamp bulb.