A housing comprised of a first member, a second member, a seal, and
electronics. The first member has a body comprised of a first end portion
and a second end portion. The first end portion of the first member
comprises at least one pin protruding from the first end portion of the
first member. The second member has a body and a cavity, with the body
comprised of a first end portion and a second end portion. The first end
portion of the second member is configured to mate with the first end
portion of the first member. The first end portion of the second member
comprises at least one groove configured to engageably receive the pin of
the first end portion of the first member. The seal is configured to fit
between the first member and the second member. The electronics is
configured to mount within the cavity of the second member. The first
member and second member are rotated in opposite directions, until the pin
of the first member is locked into the groove of the second member, to
seal the electronics in the housing.