Abstract: There is disclosed an apparatus for mounting electronic shelf labels (ESLs) onto shelving, comprising: a rail having first and second grasping members adapted to receive one or more ESLs; and an installation clip integrally connected to the rail, the installation clip adapted to install the apparatus onto shelving in a plurality of configurations by either clipping onto a curved front face of shelving or snapping into a curved front face of shelving. In an embodiment, the installation clip comprises an inner wall and an outer wall flexibly joined at a knee, the inner and outer walls being resiliently flexible relative to each other and having an opening adapted to receive a front face of shelving therebetween. In another embodiment, locking features provided on the out wall allow the apparatus to be snapped into position onto a curved face of shelving having top and bottom extending ledges.