Replacement Lamp is designed specifically for the Optoma EW675UT, Optoma EW675UTi, Optoma EW675UTis, Optoma EX665UT, Optoma EX665UTi, Optoma EX665UTis, Optoma TW675UST-3D, Optoma TW675UTi-3D, Optoma TW675UTIM-3D, Optoma TX665UST-3D, Optoma TX665UTi-3D, and Optoma TX665UTIM-3D projectors. Lamp life is 3000 hours in standard mode and 2500 hours in brightness mode.