This high-quality projection light bulb is perfect for all your presentation needs. It is compatible with various brands, including Excel and For Keystone, and has a voltage of 120V and a power of 140W. Made by the renowned G.E. brand, this bulb is sure to provide bright and clear images for your projector or slide projector. Ideal for use in film photography, cameras, and photo shoots, this lamp bulb is a must-have for any professional or amateur photographer. Get your hands on this top-quality bulb today and take your presentations to the next level!