PowerPod Grand Prix Series with 4-Way Swivel Base allows front-to-back and left-to-right swivel for the best viewing angle of your electronic display. There is a wire clearance of 1.25" through the base Features: Watertight Silicone Seal - Keeps rain and salt water spray off electrical connections on the back of electronics Tamperproof - Special fasteners and wrench are included that provide security and convenience to leave electronics on-board. Concealed Wiring - No loose wires are exposed to corrosion and UV damage. Clean Installation - The clean look of flush mounting. Mount your display where you can best see and reach it. Pre-Cut Models - Come with a Flush Mount Kit, which includes the specific gasket and mounting hardware for your electronics if not supplied by the manufacturer with the unit.