A merchandising system can include an elongated mounting member selectively securable to an associated shelf and a cooperating member received on the mounting member. A power receiver includes a reception coil unit that receives a power signal, a power generator that generates power by receiving the power signal from the reception coil unit, and a signal generator that generates a reception power state signal depending on the generated power level and transmits the latter signal to a transmission coil unit corresponding to the reception coil unit. The purchase request may be validated and information concerning the software product, the feature of the software product, and the processing device may be stored.