MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
2.50mm plug, compact, low profile, hands free opertion for a still camera; has a 90 degree bend at the wire to switch the junction; thicker more durable and resilient metal contacts; high temperature thermoplastic and expoxy for better heat resistance; works best with open faced head gear; switch body is .250 inches in diameter
