A torsion angle and rotation angle measurement device includes an input rotation disk, an output rotation disk, at least two torsion measuring modules and a rotation measuring module. The shoe further includes at least one vibration motor configured to generate at least one pattern of vibration, at least one inertial motion unit, the at least one IMU further including at least one magnetometer configured to provide at least one reading indicative of orientation. The interior space supports and displays merchandise. The presence of a defect at the location of the concerned point is then determined by applying at least one decision tree operator to the generated point response values of the concerned point. For this, the router of the ingress node comprises a configuration table which defines the contents of the TOS field in function of information associated with the 45 level protocol such as TCP or UDP. The combination of at least one power quality parameter value, power quality event properties, non-power quality properties, and time properties is used to create power quality information that is descriptive of power quality events.