Self-contained electronic sensors for temperature, humidity, water, airflow, light level, sound level, door position, digital input/output, external input/output electrical power distribution, resistance, voltage and/or current monitoring, used in various combinations to protect information technology equipment, including being used with web cameras to view the monitored areas; computer software for use with the electronic sensors whose function is to interpret the sensor values, to report the sensor values through a local display web page accessed through internet protocol, or client software that accesses the data through standard reporting protocols such as Extensible Markup Language and Simple Network Management Protocol and to allow for alarms based on data values at user defined set-points to be triggered to local alarms, Simple Network Management Protocol, and/ or e-mail