The HD-WM1 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-MA35U, HD-MA35UA, HD-RA35U, HD-RA35UA, HD-PA35U, HD-PA35UA