GOLDENRIVER BL-FP180E Original Bulb Inside Replacement Lamp with Housing for OPTOMA ES523ST / EX540 / EX542 / TX540 / TX542 / DW531ST<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Part Number: BL-FP180E </span></li><li><span class="a-list-item"> Compatible with: OPTOMA ES523ST / EX540 / EX542 / TX540 / TX542 / DW531ST / EW533ST / EX523ST / GT360 / GT700 / GT720 / PRO180ST / PRO450W / EX541i / EX542i </span></li><li><span class="a-list-item"> Made by GOLDENRIVER </span></li><li><span class="a-list-item"> Warranty: 120 Days </span></li><li><span class="a-list-item"> Life Time (STD): 2000， Life Time (ECO): 4000 </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41dOzNdlFbL.jpg" noproxy>