RMCARD/ENVIROMENTAL SENSOR COMPATIBILITY: Ensures coordination of information between the CyberPower Environmental Sensor (SNEV001) and the RMCARD SECURITY MONITORING: Input dry contact closures provide options for monitoring door alarms, security switches, and other security devices TEMPERATURE ACCURACY: 14°F to 158°F +/- 0.9°F; -10°C to 70°C +/- 0.5°C; HUMIDITY ACCURACY: 10-90 RH ± 2% CONNECTION PORT & CABLE: RJ45 Ethernet port x 2; 10 foot cable; Daisy Chain x 8 Max Three-Year Warranty