Compatibility and replacement: quality lamp compatible with the OPTOMA DS330 projector, replaces BLFU190C and PQ4842401. Allinone module: This product is a complete replacement module, including the bulb, housing, and connector. Easy installation: Designed for a simple swap, offering an installation experience comparable to changing a printer ink cartridge. Key specifications: Lamp wattage 190 W; lamp life 6500 hours. Practical benefits: Delivers reliable performance with a readytouse module that fitseconds into the projector without extra parts. Use scenarios: Classroom presentations in schools or training facilities where quick, reliable lamp replacement minimizes downtime. Office meeting rooms and conference spaces requiring steady brightness for clear projections during daily use. Home theater or entertainment setups where a straightforward replacement supports regular movie nights and media viewing. What you get: A complete module with bulb, housing, and connector, ready for installation. Consistency and fit: Engineered to meet original specifications for proper fit, function, and compatibility with OPTOMA DS330 projectors.