Replacement for HS400AR124 Original Projector Lamp Bulb with Housing ^^ Fit for PANASONIC PT-EW540, PT-EW640, PT-EW730Z, PT-EW730ZL, PT-EX510, PT-EX610, PT-EX800Z, PT-EX800ZL, PT-EZ580, PT-EZ770Z, PT-EZ770ZL Projectors ^^ The Premium Replacement Lamp Provides Clear And Bright And Sharp Pictures For Home Theater, School Presentation, Business Meeting etc ^^ AWO is Responsible For All The Item Descriptions And Coming With 180 Days Warranty And Lamp Lifetime About 2000-3000hours