CyberPower RMCARD303 Remote Management Card with Optional Environmental Sensor Port Provides remote management and configuration of UPS Systems via Web Browser (HTTP) or NMS Automatic events notification via Email, SMS, and SNMP Trap Support and management for optional environmental sensor (ENVIROSENSOR) Compatible with all CyberPower OL Series models Quick installation and user friendly interface; 3 Year Warranty Provides remote management and configuration of UPS Systems via Web Browser (HTTP) or NMS Automatic events notification via Email, SMS, and SNMP Trap Support and management for optional environmental sensor (ENVIROSENSOR) Compatible with all CyberPower OL Series models Quick installation and user friendly interface