Vox Ignis ViLX-ACA. The ViLX-ACA alarm is not supplied with back boxes as they can be used with any "MK" style back box over 25mm deep.
Vox Ignis ViLX-ACA EVCS Emergency Assist Alarm Kit LX-ACA-4422
Vox Ignis Lexicomm ViLX-ODP Assist Call Over Door Plate / Indicator / Buzzer
LAX VOX® Blue Starter Set Voice Training Kit with Silicone Hose & Borosilicate Glass Bottle
