Red wall box. Set to accommodate TFEVOBMVF microphone unit. Includes panel/mounting plate. Constructed in high-strength sheet steel, RAL 3000 colour (red), hatch with glass window that provides a view of the status LEDs and the operating elements below. The hatch has an insert with locking handle to prevent unauthorised opening. ACSI bus connection to the control panel, quick connection via screw terminal adapter. Note: requires a TFEVOPANBOXBM blank block.