Tripp Lite ENVIROSENSE Environmental Sensor for use with SNMP / Web Cards Monitors temperature, humidity and contact-closure inputs. Requires UPS with SNMPWEBCARD, MONITORED PDU or SWITCHED PDU, TAA Compliant Reports on the contact closure status of up to four compatible devices (such as smoke detectors, fire alarms and security systems) Simple installation Compliant with the Federal Trade Agreements Act (TAA) for GSA Schedule purchases 2-year limited warranty