The VPL-VW365ES Sony projector lamp replacement comes with a genuine original 225 watt Philips bulb inside. This lamp is rated at 1,500 lumens (Same as the original Sony lamp). The VPL-VW365ES lamp has a rated life of 6,000 hours. This lamp is made with a high quality Philips bulb inside with a 180 day warranty. Beware of cheaper lamps made with generic bulbs that have overall poor construction, lower lumen output, and reduced lamp life. Insist on the genuine Philips bulb which is the original bulb that your projector was designed to work with. Any other type of bulb will not perform up to the same standards.