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This replacement sensor for the M2 chronograph comes complete with a 20 foot shielded cable, and is 40% more light sensitive than the M1 sensor for accurate readings in lower light atmospheres. Designed for the M2 Chronograph, the M2 sensor may also be used with the M1 chronograph, but only when paired with another M2 sensor. M1 and M2 sensors cannot be paired together. | | ||||||||||
