Original inside lamp for PANASONIC PTVW540 projector. Direct replacement for ETLAV400, designed to fit and work as the original lamp module for this model. Benefits and features - Reliable performance: engineered to meet the projector’s original specifications for consistent operation. - Preserves lighting quality: maintains brightness and color output that matches the you expect from the PANASONIC PTVW540. - Seamless replacement: intended as a straightforward swap, minimizing installation effort and downtime. - Compatibility: specifically for PANASONIC PTVW540; substitutes ETLAV400 without modification. Use scenarios - Home theater setup: replace a worn lamp to restore brightness and color for movies and streaming. - Office or classroom presentation: maintain clear visibility and accurate projection during meetings or lessons. - Maintenance planning: keep a spare lamp on hand to minimize downtime during important events or deployments.