The HD-WM2 mounts a compatible HD series product and its power supply to a wall or other flat surface. The interior of the bracket holds the power supply with space to conceal excess wire length for a professional installation. Special tabs are provided to firmly secure the wiring connected to the HD product. The included security cover slides easily into place to protect the HD product rear-panel connections and adjustments.Compatibility: HD-MA35, HD-MA35A, HD-PA35, HD-PA35A