1, warranty: 90 days2, certificates: CE, ROHS and so on3, delivery term: BY DHL, UPS, TNT, FEDEX and so on4, working life: more then 2000 hours Supply:1, Original brae bulb with housing2, Original bare bulb3, Compatible bare bulb with housing4, Compatible bare bulbWe offer all the models projector lamps for Epson/Sony/Osram/Benq/Hitachi/NEC/Toshiba/Sharp/Dell/Mitsubishi/Infocus/Panasonic/Sanyo etc. Please kindly let us know the model of lamps you need. Thank you.