This is the original inside lamp for the OPTOMA DS313 projector. It is designed to deliver quality performance and reliable illumination for clear projections. Key features and benefits - Purpose built for the OPTOMA DS313 projector - Replacement for BLFU190C and PQ4842401, providing seamless compatibility - Guarantees lighting for clear projections - Maintains proper functioning and visual quality of your DS313 projector - Original design supports stable performance and consistent image quality Why you need this lamp - Restores brightness and clarity to your DS313 projections - Helps maintain reliable operation and viewing quality over time - Easy replacement that preserves the projector’s intended performance Use scenarios - Classroom or meeting room: replace a dim or aging lamp in the DS313 to ensure strong, clear slides and visuals for lessons or presentations - Business travel or on-site presentations: keep this as a spare lamp to minimize downtime if the current lamp fails during a crucial meeting - Home theater or home office: install to maintain consistent image brightness and clarity for movies, video conferences, or slideshows