DT00691 compatible lamp module $90/pc.
Fit for the following projectors:

HITACHI CP-X440  
HITACHI CP-X443  
HITACHI CP-X444  
HITACHI CP-X445  
HITACHI CP-X455  
HUSTEM MVP-320  
HUSTEM MVP-U250  
HUSTEM MVP-U32  
HUSTEM MVP-U320  
VIEWSONIC PJ862