The Environmental Monitoring Card is an American Power Conversion (APC) SmartSlot accessory that performs temperature and humidity sensing, as well as contact monitoring. The card supports up to four zones of contact monitoring, and each zone supports both normally open and normally closed contacts. The card will report temperatures from 0 to 60 °C (32 to 140 °F) and relative humidity from 10 to 90%. The Environmental Monitoring Card includes the Velcro mounting pads and Temperature Probe.