Aurabeam Professional Lamps come with OEM Original Philips, Osram, Ushio, Pheonix Bulbs. The same as your original. The housing units are made from durable and high-quality Plastic guaranteed to fit properly. Aurabeam Professional lamps have an average expected life of 6,000 hours. Lamp life is affected by temperature, altitude, air pressure, humidity, and physical impact: Help extend lamp life by Making sure the air intake and/or exhaust vent is not blocked during operation. Replacing your old bulb with an OEM bulb will provide a brighter cleaner picture as well as a longer lamp lifespan.