Video surveillance is the use of closed circuit or CCTV cameras to view and record actions in specific areas of a building, outside property, a highway, a vehicle such as a train or a bus, or on a body-worn camera. Companies use CCTV cameras for security to determine...

Video Door-Phones or Video Intercoms are used in condominiums as security devices to communicate from the Concierge or the Lobby to individual households to announce visitors or to pass on messages. Tenants can also call to the Concierge or Admin with requests. These...

Fire alarms systems play a crucial role in today's society by detecting and warning us of the presence of smoke or fire. The fire alarms are activated automatically from a smoke and heat detector, or manually, by using fire alarm call points and pull stations such as...