Access control and alarm monitoring systems; Alarm monitoring systems; Apparatus for recording, transmission, processing and reproduction of sound, images or data; Climate control systems consisting of digital thermostats for cooling equipment, and a programmable logic controller (PLC) with input and output features for temperature and humidity, which works with a remote digital read out controller; Closed circuit TV systems for security and surveillance, namely, cameras, switchers, monitors,...

Access control and alarm monitoring systems; Alarm monitoring systems; Apparatus for recording, transmission, processing and reproduction of sound, images or data; Climate control systems consisting of digital thermostats for cooling equipment, and a programmable logic controller (PLC) with input and output features for temperature and humidity, which works with a remote digital read out controller; Closed circuit TV systems for security and surveillance, namely, cameras, switchers, monitors,...