Based on this product's specifications, here are some alternatives and similar models
Projector VIEWSONIC LSC731WU-ST WUXGA 7300 ANSI lumens 3-LCD
Summary description:
VIEWSONIC LSC731WU-ST is a 3-LCD WUXGA projector offering 7,300 ANSI lumens brightness for bright venues and large-screen applications. Designed for business, education, and events, it delivers high-resolution WUXGA images with reliable color reproduction and strong light output. The unit is suited for auditoriums, lecture halls, and conference rooms where clear, large-format projection is required.