Camden Door Controls CM-54B Surface Square Illuminated Blue AURA™ Illuminated Enclosure. Switches sold separately. Flame and impact resistant construction. Compatible with any Camden CM-40, CM-45 or CM-46 series push plate switch. Super-bright, high efficiency LED technology. Selectable 12/24V AC/DC operation. Selectable audible sounder to confirm switch activation. Easy connection of Lazerpoint RF wireless transmitter for retrofit applications. Activated directly by switch or remotely by control relay or access control system. Form “C” contact.