DT00771 compatible lamp module $110/pc.
Fit for the following projectors:

HITACHI CP-X505  
HITACHI CP-X600  
HITACHI CP-X605  
HITACHI CP-X608  
HUSTEM MVP-S40  
HUSTEM MVP-S85  
HUSTEM MVP-S90  
HUSTEM RF-4000G  
HUSTEM SRP-3570  
HUSTEM SRP-4070