Diamond Lamp RLC-034 for VIEWSONIC Projector with a Osram bulb inside housing Type: Lamps Wattage: 180W Lamp Life: 0 hours Compatibility: Diamond Lamp for VIEWSONIC PJ551D, PJ557D Projectors Specifications: Lamp module consists of a Diamond Housing/Cage and an Original Bulb. Identical performance to manufacturer original. Endorsed by Philips/Osram. Weight: 240 g Labor: 180 day manufacturer warranty