SENSAPHONE ® EXPRESS II Remote Monitoring System is a remote telemetry system for environmental and industrial monitoring, communication, and control. It is equipped with 8 universal inputs, configurable as dry contact, pulse count, 0-5V or 4-20mA analog, or temperature inputs. Easy-to-install expansion cards let you increase your monitoring capacity by an additional 32 universal input channels. Each input, whether standard-installed or expanded, is fully programmable and complete with a two-color LED to indicate the alarm status locally. Express II also features built-in AC power monitoring and a built-in microphone for sound level monitoring.