The PA521U NEC projector lamp replacement comes with a genuine original 330 watt Ushio brand bulb inside rated at 6,200 lumens (brightness equal to the original NEC lamp replacement). 

The PA521U lamp has a rated life of 3,000 hours (4,000 hours in Eco mode).  Our NEC PA521U replacement projector lamps are made with a high quality Ushio bulb with main components made in Japan.  Beware of cheaper lamps made with generic bulbs with lower quality and lower light output.  Purchase with confidence from Pureland Supply with free ground shipping and a 180 day warranty.