Used Compaq IPAQ MP3800, works good- remote just needs a 2032 battery. Bulb still works fine, unlnown hours on bulb.The Compaq iPAQ MP3800 DLP Portable Projector is a high-resolution projector that delivers crisp and clear images in HD 720P. With its compact design and included carrying case, this projector is perfect for on-the-go presentations or movie nights. The included remote allows for easy operation from a distance, making it convenient for a variety of uses. Whether you're looking to display content in a classroom, conference room, or backyard, this Compaq projector offers a versatile and user-friendly solution.