GOLDENRIVER 5J.JAH05.001 Projector Bulbs Replacement for Benq MH630 MH680 TH680 TH681 Projectors 5JJAH05001 Part Number: 5J.JAH05.001 Compatible with: Benq MH630 MH680 TH680 TH681 Life Time (STD): 2000, Life Time (ECO): 4000 Warranty: 30 days Refund & 120 days Replacement Warranty Made by GOLDENRIVER.We will take strict quality test before shipment. If you have any problem, please contact us, we will try our best to help you.