1.All the replacement projector lamps from are built with original bulbs from OEM manufacturers (UHP, P-VIP, Ushio, Panasonic and Phoenix). 2.The lamp module includes compatible housing which is made from durable materials and will fit properly. 3.The lamp is tested before dispatch to meet the OEM original standards of quality, function and performance. The lifespan is 3 times longer than economic lamps. 4.Easy installation: Shut down the projector and take out the old lamp after cooling down. Put in the lamp and make sure the plug is connected well. Reset the timer when finished. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.