Ensuring that a user’s demographic data is correct so that billing statements may be sent to a correct address for collecting payment from the user is a challenge many service providers face. The U-shaped clamp member can be inserted into the outer shell through the slot to restrict the second connection member so as to securely locate the first and second connection members in the outer shell. Correspondingly, the elastic pressing body presses the power supply terminal toward a power supply land disposed on the device side, and the power supply terminal contacts the power supply land thereby electrically connecting itself to the power supply land. A relay optics system includes a first two-axis steering element that is positioned and sized to cover the range of motion of the beam from the back optical aperture across the range of gimbal motion. The low pressure containment system is sealed with O-rings. The connecting member provides partial decoupling between the upper and the sole structure.