This is a original inside lamp meaning the bulb used is the same as in the original lamp from EPSON. As the original bulb is used you can be sure the performance will match the original. See below for more options.\n\n Epson B-ELPLP91. Lamp type: UHE, Bulb power: 250 W, Service life of lamp: 5000 h, Service life of lamp (economic mode): 6000 h, Brand compatibility: Epson, Compatibility: Powerlite 680/685W, Bright Link 685 Wi/695 Wi, Country of origin: Taiwan\n\n\n\n\n\n\n\n Model: B-ELPLP91\n\n\n\n\n\n\n\n