Abstract: An electronic product price display system for installation in a retail environment for displaying price and related information concerning retail consumer products price including at least one microencapsulated electrophoretic display label for displaying information about consumer products; a power system for powering the display labels, where the power system includes a photovoltaic cell coupled with a means for storing the power generated by the photovoltaic cell; an antenna for receiving RF signals and transmitting them to a microcontroller; a microcontroller for receiving RF communication signals and for converting the received signals into instructions to change the display labels; a programmable computer module for generating instructions for the labels; means for receiving said instructions from said computer and generating RF instruction signals; and means for removably affixing said labels to store shelving holding the consumer products.