Computer hardware and software system for remotely monitoring environmental conditions and controlling devices within a building, facility, grounds, or designated spatial area; Commercial and industrial grade wireless electric and electronic sensors, gateways being routers in the nature of computer control hardware, and electronic and electronic, programmable controllers, all of the foregoing used to measure environmental parameters, namely, temperature, humidity, presence of water, movement, carbon monoxide, motion, impact, vibration, G force, voltage, power consumption, power current, electrical resistance, pressure of liquid in the line, gas pressure, fluid levels not for medical use, and that include alarm, control and reporting functions; Computer software for configuring wired or wireless autonomous electronic data loggers and sensors; software for interfacing a mobile computing device running the software with electronic data loggers and sensors and for causing the mobile computing device to receive, process, store, and display data received from the electronic data loggers and sensors; software for monitoring, controlling, and configuring electronic data loggers and sensors; software for data processing and data analysis; downloadable software in the nature of a mobile application for monitoring, controlling, and configuring electronic data loggers and sensors and for processing, analyzing and visualizing data from electronic data loggers and sensors; software for syncing, manipulating, and distributing data from electronic data loggers and sensors with data processing software accessible via the Internet; digital measuring electronic instruments, namely, data loggers, sensors for measuring environmental parameters, namely, temperature, humidity, presence of water, movement, carbon monoxide, flickering, impact, vibration, G force, voltage, power consumption, power current, electrical resistance, pressure of liquid in the line, gas pressure, fluid levels not for medical use, weather stations