ICT Fit-Out - Environmental Monitoring at Battle of Britain Bunker

A system of 22 environmental monitoring data loggers / sensors plus monitoring software. The system must record temperature, relative humidity and ideally, lux levels. 17 of the data loggers / sensors are for use inside display showcases. Integrated intruder alarms, e.g. break-glass alarms, movement sensors, vibration sensors, would be a bonus but are not essential. The remaining 5 are for monitoring the environment in storage areas, workshops, etc. The 17 showcase loggers / sensors must be as unobtrusive as possib...