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
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