The lamp fits all the following Optoma projectors:

Acer EC.J6900.003 Compatible Replacement Lamp Module

Compatible with these Projector Part Numbers: EC.J6900.003, EC.J6900.003, EC.J6900003, ECJ6900.003, ECJ6900003

Model Numbers: P1166P, P1166P, P1266i, P1266i, P1266P, P1266P

  When replacing the lamp remember:

 When putting the housing back in place, do not use force as this may damage the connectors.

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