Compatibility and replacement part: quality lamp compatible with BENQ MX812ST projector; replaces 5J.J3J05.001 Complete module: Includes bulb, housing, and connector; ready to install as a single unit Easy installation: Designed for a straightforward swap, comparable to changing a printer ink cartridge Specifications and durability: Lamp wattage 300 W; lamp life 3000 hours Build quality and reliability: quality construction to ensure steady performance and consistent brightness Practical benefits: Reduces downtime with a complete, readytoinstall module; simplifies maintenance by using an allinone replacement Use scenarios Classroom presentations and lessons that require reliable, consistent projection Business meetings, training sessions, and seminars where frequent lamp replacements are minimized Events in meeting rooms or small auditoriums needing dependable projection and easy replacement