The Lot of (15) Eaton EMP001 Environmental Monitoring Probe UPS Module Black is a set of environmental monitoring probes designed by Eaton. These probes are made in Taiwan and are used for monitoring conditions in uninterruptible power supply (UPS) systems. With the ability to track environmental factors such as temperature, humidity, and other potential issues, these probes help ensure the reliability and performance of power protection systems. Ideal for use in computer and networking setups, these probes provide real-time data to help maintain optimal system functionality.