- This is an original inside lamp that uses the same bulb as the original unit. Because the original bulb is used, you can be confident the performance matches the original. - Easy to install: swap-in replacement is comparable to changing a printer ink cartridge. - 180 Day No Quibble Warranty. Any problems at all within 120 days we will replace your lamp, or issue a full refund. - Specifications: Lamp wattage 190 W; Lamp Life 6500 hours. - Compatibility and performance: Designed to fit the original lamp fixture and deliver performance equal to the original unit. - Use scenarios: - Replacing a worn-out lamp in a home theatre projector to restore brightness and color accuracy. - Keeping classroom projectors ready for daily use in lectures, seminars, or student presentations. - Providing a reliable lamp option for small business meetings, conference rooms, or event setups where consistent output matters.