Wireless controller for electronic shelf label

FIG. 1 . 1 is a rear view of a wireless controller for electronic shelf label;

FIG. 1 . 2 is a front view thereof;

FIG. 1 . 3 is a left side view thereof;

FIG. 1 . 4 is a right side view thereof;

FIG. 1 . 5 is a top plan view thereof;

FIG. 1 . 6 is a bottom plan view thereof; and

FIG. 1 . 7 is a top, rear, right side perspective view thereof.

The broken lines in the drawings show portions of the wireless controller for electronic shelf label that form no part of the claimed design.